Toocle find for you 3236 information about the of-whatapp.hl.cn, total 100 pages
The Working Principle and Advantages of Chinese Hovercrafts
$1
Category: Others
Company: Hebei Dongsheng Safety Protection Equipment Co., Ltd.
Product Description: Advantages of Hebei Five-Star Power Equipment Co., Ltd.'s "Tyrannosaurus" Hovercraft (Amphibious Hovercraft) and Flood Emergency Rescue Hovercraft in Disaster Relief Operations1. The "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft can conduct timely and rapid flood inspections: Floods typically occur across vast areas, often accompanied by severe weather conditions such as strong winds and heavy rain, with rapid water flow leading to transportation blockages and communication interruptions. Therefore, timely and rapid flood inspection is a top priority. Under adverse conditions, conventional vehicles and boats cannot operate. However, hovercraft are not limited by terrain, hovering over water surfaces, ground, shallow waters, and marshes, with speeds generally ranging from 60-100 km/h. They enable timely, rapid, and comprehensive flood monitoring, facilitating the implementation of disaster relief efforts.2. Hebei Five-Star Power Equipment Co., Ltd.'s "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft offer greater advantages over conventional assault boats and rubber dinghies in flood control, emergency response, and disaster relief:Although conventional assault boats and rubber dinghies can transport supplies and personnel, playing a significant role in disaster relief, they cannot navigate when water currents are rapid, river conditions are unclear, or when floods and heavy rain submerge streets and alleys. They are also unable to operate in non-navigable waterways. While small boats like rubber dinghies and assault boats can approach targets and serve a purpose in rescue operations, they are highly unsafe in rapids, cannot move against the current, and are ineffective in rescues within streets and alleys. In contrast, the "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft, with their elevated hulls, can fly over any complex terrain, water surfaces, and streets. Additionally, these hovercraft have significant buoyancy, ensuring they never capsize, thereby guaranteeing the safety of both rescuers and those being rescued.3. The "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft can access areas unreachable by vehicles, boats, or helicopters to carry out rescue operations.After a disaster, deploying the "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft for fast and safe search and rescue missions is the only effective solution. These hovercraft safely hover 0.25-2 meters above water or ground, allowing rescuers to reach areas, streets, communities, and alleys inaccessible to vehicles, boats, or helicopters under extremely harsh conditions. They can overcome obstacles and carry out emergency rescue operations and evacuate people at the fastest possible speed. Equipped with rescue platforms and handrails, rescuers on board can quickly approach and safely rescue individuals or objects.4. During urban waterlogging, the "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft can navigate submerged streets to perform emergency rescue operations.When floods occur suddenly, and rivers breach dams and residential areas, it is nearly impossible for assault boats and rubber dinghies to navigate submerged streets (due to underwater obstacles such as walls, fallen trees, submerged vehicles, and other debris) without damaging their propellers. Hovercraft, however, are entirely unaffected by underwater obstacles and can reach the scene at the fastest speed to rescue people and transport supplies.5. The "Tyrannosaurus" hovercraft (amphibious hovercraft) and flood emergency rescue hovercraft can serve as mobile medical clinics in disaster areas.In some of the most remote and inaccessible disaster areas, hovercraft can provide clean, safe, and spacious cabins equipped with complete medical facilities to meet medical needs, forming an ideal mobile medical clinic.Hebei Five-Star Power Equipment Co., Ltd.'s "Tyrannosaurus" Hovercraft—The "Special Forces" of Flood Control, Emergency Response, and Disaster Relief. more>
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Application Industries of HGK-57 Fully Automatic Kjeldahl Nitrogen Analyzer
Negotiable
Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Company: Shanghai Heguan Instrument Co., Ltd.
Product Description: Shanghai Heguan HGK-57 Fully Automatic Kjeldahl Nitrogen Analyzer, with its high precision, full automation, and robust data traceability capabilities, is primarily applied in the following industries with stringent requirements for protein or nitrogen content testing:Main Application Industries1. Food and Agricultural Product Processing IndustryApplication: This is a classic and widely used field. It is used to detect the protein content in various foods, which is a key indicator for measuring nutritional value, quality grading, and pricing.Specific Objects:Dairy Products: Milk, milk powder, yogurt, etc. (protein content is a core quality indicator).Grains and Feed: Wheat, rice, soybean meal, corn, and various compound feeds.Meat Products: Fresh meat, meatballs, sausages, canned goods, etc.Beverages and Condiments: Protein beverages, soy sauce, monosodium glutamate, etc.2. Feed IndustryApplication: Precisely determining the protein content in feed raw materials and finished feed is a critical step for scientifically formulating feed, ensuring livestock and poultry nutritional needs, and controlling production costs.Specific Objects: Fish meal, soybean meal, rapeseed meal, and other protein raw materials, as well as various livestock, poultry, and aquatic feeds.3. Agriculture, Soil, and Plant ScienceApplication: Used to analyze the total nitrogen content in plant tissues such as leaves, seeds, and straw to assess plant nutritional status and study nitrogen fertilizer utilization efficiency. It can also be used for soil nitrogen content analysis to guide scientific fertilization.Specific Objects: Plant samples, soil samples.4. Chemical and Fertilizer IndustryApplication: Used to determine the nitrogen content in chemical products and the nitrogen content or purity of fertilizers (such as urea, ammonium nitrogen fertilizers) for quality control and product inspection.5. Pharmaceuticals, Biotechnology, and Research InstitutionsApplication: In biopharmaceutical research and development, it is used to determine the nitrogen/protein content in biological samples (e.g., cell cultures, tissue homogenates, protein purification products). Its robust data audit trail functionality (audit trail) is particularly compliant with the regulatory requirements of GMP/GLP laboratories.Specific Objects: Biological agents, research samples.6. Environmental Monitoring and Testing InstitutionsApplication: Used to analyze Kjeldahl nitrogen in water samples (e.g., wastewater, surface water), which is the sum of organic nitrogen and ammonia nitrogen, serving as an important indicator for evaluating water pollution levels. Third-party testing companies also use this instrument to provide impartial testing services for the aforementioned industries.Why is the HGK-57 Particularly Suitable for These Industries?High Precision and Compliance: Its excellent reproducibility (RSD 99.5%) ensure accurate and reliable test results, meeting national or international standards (e.g., Chinese National Standard GB/T 5009.5) across various industries. The features of cloud-based data storage, immutability, and traceability perfectly align with modern laboratories' requirements for data integrity and audit trails.High Efficiency and Automation: Fully automated processes from liquid addition, distillation, titration to cleaning significantly enhance testing efficiency, making it especially suitable for quality control centers, enterprises, and testing institutions with large sample volumes.Broad Applicability: A wide measurement range (0.1-210mg nitrogen) and adjustable distillation power enable it to handle various samples from low-protein to high-protein content.In summary, the Shanghai Heguan HGK-57 is a high-end nitrogen analyzer designed for modern, high-standard laboratories. Its applications cover all fields requiring precise determination of nitrogen/protein content, from routine food quality inspection to cutting-edge biopharmaceutical research and development. more>
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Cellic CTec3, a novel high-efficiency enzyme preparation of cellulase
$345
Category: Beauty & Personal Care/Enzyme Preparations/Enzyme Preparations
Company: Shanghai Leju Biotechnology Co., Ltd
Product Description: NovozymesNovozymesCellulaseCellulaseCellic CTec3New High-Efficiency Enzyme PreparationNovozymes Cellulase Cellic CTec3 is a new high-efficiency enzyme preparation launched by Novozymes in 2012 for the global market, suitable for commercial production of cellulosic ethanol.Product Features· High Conversion Efficiency: Compared to the previous generation product Cellic CTec2, the conversion rate is increased by 50%, with performance 1.5 times higher. Compared to other commercially available enzyme preparations, the amount of Cellic CTec3 required to produce the same yield of cellulosic ethanol is only one-fifth of that of other enzymes.· Excellent Cost-Effectiveness: Ensures low production costs for cellulosic ethanol plants, with low usage costs in non-SSF processes. By improving conversion efficiency, reducing enzyme dosage, and shortening hydrolysis time, it lowers raw material and enzyme costs, as well as equipment occupancy and investment costs during production.· Good Stability: It is a complex preparation of cellulase and hemicellulase, containing highly active cellulase components with strong specificity, including improved β-glucosidase and a series of new hemicellulases. It has strong adaptability to temperature and pH. While general enzymatic hydrolysis reactions are typically conducted at 40°C-50°C, Cellic CTec3 remains effective at 50°C-55°C.· Broad Substrate Range: Effectively acts on various lignocellulosic materials such as pretreated corn stover, corn cobs, wheat straw, energy crops, municipal solid waste, and wood chips, converting them into fermentable sugars, providing a wide range of raw material options for cellulosic ethanol production.Application AreasPrimarily used in the commercial production of cellulosic ethanol. In the cellulosic ethanol production process, after raw materials are pretreated, Cellic CTec3 functions in the hydrolysis stage, breaking down cellulose into monosaccharides and polysaccharides, preparing for subsequent fermentation to produce ethanol. more>
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Processing of Kilometer Markers on Provincial Highway S203
$300
Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Company: Shaanxi Mingtong Traffic Facilities Engineering Co., Ltd.
Product Description:   The produced signs have strong reflective effects, high aluminum plate hardness, and firm joints, making them suitable for various harsh weather conditions. Fully automatic riveting machines combine the sliding channels with the aluminum plates, ensuring very secure joints that are suitable for all kinds of severe weather. Each process is operated by employees with over five years of experience, strictly controlling quality, details, and aesthetics, ensuring that every product is guaranteed! The actual manufacturing process of traffic signs first depends on the materials used (commincluding aluminum plates, extruded formed plates, sliding channels, reflective films, etc.). Then, based on the size of the sign face, the back support (generally using aluminum channels, sometimes angle iron for special needs, and some designs may use steel angles), and the selection of surface reflective film (commonly used include advertising film, engineering film, 3M film, diamond-grade reflective film, etc., with some classified by categories like Class I, Class IV, etc.), the reflective effect of the sign is determined. There is a significant difference between rural roads and highways, and different materials vary greatly. We customize according to customer requirements. Serving numerous domestic and international clients, our main products include: signs, plaques, identification signs, construction signs, road construction signs, parking lot signs, reflective signs, traffic signs, coal mine signs, safety signs, safety indicators, power signs, driving school signs, warning signs, caution signs, prohibition signs, prohibition indicators, highway indicators, highway signs, road signs, road indicators, traffic indicators, road plaques, sign poles, traffic reflective signs, sign poles, traffic sign poles, Xi'an indicator production, Xi'an highway indicators, Xi'an road indicators, Xi'an traffic indicators, Xi'an construction indicators, Xi'an highway safety indicators, Xi'an highway indicator production φ89 single column; φ114 single column; φ140 single column; φ165 single column; φ165 F-pole; φ180 single column; φ180 F-type sign pole; φ219 F-type sign pole; φ273 F-type sign pole; φ325 F-type sign pole; φ377 F-type sign pole; more>
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Production of Direction Signs for National Highway G341
$470
Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Company: Shaanxi Mingtong Traffic Facilities Engineering Co., Ltd.
Product Description: The fully automatic riveting machine combines the sliding channel with the aluminum plate, creating a very strong joint that is suitable for various harsh weather conditions. Each process is operated by employees with over five years of work experience, strictly controlling quality, details, and aesthetics to ensure that the products created are guaranteed!The reflective film uses Class IV film for excellent reflective effect;The aluminum plate adopts a 3mm thick aluminum plate with high hardness;The sliding channel has a width of 80mm, meeting standards for both width and thickness;Xi'an Road Sign Manufacturer | Road Traffic Signs | Aluminum Plate Manufacturer | Xi'an Traffic Facilities Engineering | Xi'an Parking Lot Facilities Factory | Baoji Road Sign Factory | Yulin Sign Speed Bump Sticker Factory | Qinghai Speed Bump Sticker Reflective Sign Factory | Lanzhou City Speed Bump Sticker Reflective Sign Factory | Yulin City Speed Bump Sticker Reflective Sign Factory | Shangluo Speed Bump Sticker Reflective Sign Factory | Tianshui Speed Bump Sticker Reflective Sign Factory | Wuwei City Speed Bump Sticker Reflective Sign Factory | Hanzhong City Speed Bump Sticker Reflective Sign Factory | Dunhuang City Speed Bump Sticker Reflective Sign Factory | Yulin City Speed Bump Sticker Reflective Sign Factory | Yinchuan City Speed Bump Sticker Reflective Sign Factory | Xi'an City Speed Bump Sticker Reflective Sign Factory | Ankang City Speed Bump Sticker Reflective Sign Factory | Hanzhong City Speed Bump Sticker Reflective Sign | Baoji City Speed Bump Sticker Reflective Sign | Ankang City Speed Bump Sticker Reflective Sign | Xianyang City Speed Bump Sticker Reflective Sign Factory | Hanzhong City Speed Bump Sticker Reflective Sign Factory | Yulin City Speed Bump Sticker Reflective Sign Factory | Shangluo City Speed Bump Sticker Reflective Sign Factory | Shangluo City Speed Bump Sticker Reflective Sign Factory | Ankang City Speed Bump Sticker Reflective Sign Factory | Hanzhong City Speed Bump Sticker Reflective Sign Factory | Yulin City Speed Bump Sticker Reflective Sign Factory | Hanzhong City Reflective Sign Factory | Qujing City Speed Bump Sticker Reflective Sign Factory | Yulin City Speed Bump Sticker Reflective Sign Factory | Hanzhong City Speed Bump Sticker Reflective Sign Factory | Weinan City Speed Bump Sticker Reflective Sign Factory | Yan'an City Speed Bump Sticker Reflective Sign Factory | Ordos City Speed Bump Sticker Reflective Sign Factory | more>
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Understanding the basic production process of the mineral industry
$99999
Category: Chemicals/Dyes/Basic Dyes
Company: Henan Zhongji Industrial Technology Co., Ltd.
Product Description: Mining machinery operations are used for mining, mineral processing, and other activities, playing a crucial role in the development of the national economy. It is one of the key equipment manufacturing industries that provides machinery for the extraction and processing of solid raw materials, materials, and fuels. Typically, it serves important basic industrial sectors such as ferrous and non-ferrous metallurgy, coal, building materials, power generation, chemical industry, and nuclear industry. Processed products are also widely used in the infrastructure construction of transportation, railways, construction, water conservancy, and hydropower sectors.The primary and essential process in mining includes the crushing production of sand and gravel. Among the various complete sets of equipment for producing crushed stone, it generally consists of the following major parts:I. Feeding SystemIn a typical crushed stone production line, the feed material is transported by trucks to a storage bin. The material from the bin is then continuously, evenly, and steadily conveyed to the crusher for crushing by an electromagnetic vibrating feeder.II. Crushing SystemThe crushing system is the core part of a crushed stone production line, generally divided into several stages: primary crushing, secondary and fine crushing, and sand making. Primary crushing, or the first stage of crushing, typically uses a jaw crusher. Secondary and fine crushing, the second and third stages, can employ equipment such as cone crushers or impact crushers. If the raw material consists of high-hardness stones like granite, basalt, or river pebbles, a cone crusher is suitable for secondary crushing. If the raw material is very hard and the production line requires high output, a combination of single-cylinder and multi-cylinder cone crushers can be used to improve the overall efficiency of the line. For medium to low hardness stones like limestone or calcite, an impact crusher can be chosen for secondary crushing. The stone material is evenly fed by a vibrating feeder to the jaw crusher for primary crushing. After primary crushing, the material is conveyed by a belt conveyor to the secondary crusher for further crushing. The finely crushed material is then transported to a vibrating screen for screening. Material that does not meet the required particle size is sent from the vibrating screen back to the crusher for reprocessing, forming a closed-circuit cycle that repeats multiple times.III. Sand Making SystemAfter crushing with cone crushers or impact crushers, different specifications of crushed stone can be produced and screened. If the goal is to simultaneously produce manufactured sand, a sand making equipment stage can be added after secondary crushing. Henan Zhongji Industrial Technology Co., Ltd. recommends that if a dry production process is chosen, powder separators and dust removal equipment should be included. If a wet sand making process is selected, material that meets the required particle size is sent to a sand washer for cleaning. After washing, the cleaned material is conveyed by a finished product belt as the final product. more>
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Construction of Pig House Greenhouses in Pig Farms
$43
Category: Machinery & Equipment/Agricultural Machinery/Livestock & Breeding Machinery
Company: Ningjin County Shirui Livestock Equipment Co., Ltd.
Product Description: Pigs have always been the primary breed in China's livestock farming industry. In rural areas, many people raise pigs, but few achieve large-scale pig farming. One of the main reasons for this is the cost of building pig farms. As a result, the greenhouse pig farming model emerged. Greenhouse pig farming, as the name suggests, involves raising pigs in greenhouses. The cost of constructing a pig greenhouse and the flexibility of land use vary depending on regional prices. Typically, building a standard 500-square-meter pig greenhouse costs around 40,000 RMB. For a higher-quality structure, different steel materials such as H-beams, L-beams, or steel pipes can be chosen, with prices varying based on the selection. As a result, constructing a better-quality pig greenhouse will be more expensive. The cost advantageIn rural areas, building a traditional pigpen with cement and bricks can be quite costly. In contrast, the cost of constructing a greenhouse is significantly lower, and the construction process is simpler. If there are concerns about the durability of a basic greenhouse for pig farming, wooden structures can be replaced with steel frames. However, regardless of the approach, the cost of greenhouse pig farming remains relatively low.2. High flexibilityGreenhouse pig farming is not highly dependent on land use. If one decides to stop raising pigs, dismantling the greenhouse is very convenient. Alternatively, the greenhouse can be repurposed for growing vegetables or fruits without being dismantled, making it a versatile option.3. Zero-cost manure managementRural pig greenhouses are often located near farmland, allowing pig manure to be directly used as fertilizer. This enables cost-free management of livestock waste. more>
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Construction of Fully Enclosed Meat Duck Breeding Greenhouses
$50
Category: Others
Company: Ningjin County Shirui Livestock Equipment Co., Ltd.
Product Description: Site selection and construction of duck rearing greenhouses: For large-scale duck farming, the greenhouse should be built in a location that is sheltered from the wind, sunny, well-drained, conveniently accessible, close to water sources, and on high, dry ground. To make full use of solar energy, the orientation should be east-west. The greenhouse should be arched, with a height of at least 2 meters, and the length and width should be determined based on the scale of farming. Use welded pipes with a diameter of 25 mm and a wall thickness of 1.35 mm, bent into a semicircular shape as supports, with two pipes forming a set, secured with sleeves of 30 mm diameter and 1.5 mm wall thickness. Choose a suitable breeding environment for building the farm: 1. Ample water supply with gentle water movement. Ducks' daily activities are closely related to water—bathing, drinking, and water-based exercise areas are essential parts of a complete duck house. Therefore, duck farming requires a significant amount of water, and having access to inexpensive natural water sources is crucial to reducing breeding costs. When selecting a site, ample water supply is the primary condition; even during dry seasons, there should be no water shortage. Duck houses are typically built along rivers or lakes, with water surfaces as wide as possible, gentle waves, and water depths of 1–2 meters. If located near busy waterways, avoid the main shipping lanes to prevent excessive disturbance and stress to the ducks. more>
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Large quantity recycling of second-hand power cables.
Negotiable
Category: Electrical Equipment & Supplies/Power Distribution & Transmission/Cables
Company: Huzhou Hengsheng Renewable Resources Materials Co., Ltd.
Product Description: Bulk Recycling of Second-hand Power Cables    Taizhou Waste Cable and Wire Recycling    Suqian Second-hand Cable Recycling PricesCable Recycling Scope:1. Power Cable Recycling: Medium and low voltage power cables, high voltage cables, and ultra-high voltage cables, oil-immersed, plastic, rubber insulated power cable recycling2. Communication Cable Recycling: Coaxial communication cables, urban communication cables, coal mine专用 communication cables, communication cables, armored communication cables, flame-retardant communication cable recycling3. Special Cable Recycling: High-temperature resistant wires and cables, polyethersulfone insulated wires, low-inductance cables, low-noise cables, heating cables, electroluminescent wires, CMP cables, cables, halogen-free new environmentally friendly wires and cables recycling, cross-linked cables, bare wires, factory cables,4. Bare Wire System Products: Steel-cored aluminum stranded wires, copper-aluminum busbars, electric locomotive wires, etc.5. Other Types of Cable Recycling: Control cables, compensation cables, cables, computer cables, signal cables, coaxial cables, marine cables, household/agricultural/mining cables, photovoltaic cables, electromechanical wires and cables, production wires and cables, oil-resistant/cold-resistant/temperature-resistant/wear-resistant cables, etc. Wire and cable recycling brands: Baosheng brand wires and cables, Luneng Taishan wires and cables, Far East brand wires and cables, Shangshang brand wires and cables, Hengtong Optoelectronics brand wires and cables, Nanlan brand wires and cables, Prysmian brand wires and cables, Wucai-Jiangnan brand wires and cables, and various imported brand cable recycling more>
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Parameters of cutting picks for hard rock mining tunneling machines
Negotiable
Category: Hardware & Tools/Cutting Power Tools/Drill Bits
Company: Shandong Aide Industrial Co., Ltd.
Product Description: Shandong Aide - Professional Manufacturer of High-End PicksHonors and Qualifications: High-Tech Enterprise, Provincial Specialized and Sophisticated SME, Municipal Gazelle Enterprise, etc.Strength and Scale: Equipped with a professional technical R&D center, with offices in Jining, Yulin, Jinsha, and other locations.Breakthrough and Innovation: Nearly 30 technical patentsComplete Product Range: Over 100 specifications and models including shearer picks, roadheader picks, rotary drilling picks, pick holders, and sleeves.Strict Quality Control: Comprehensive testing equipment, rigorous operations, and regular third-party inspections.Premium quality out of the factory, visible excellence.Exquisite materials, fine craftsmanship, superior quality, timely service. more>
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Technology of Binder for Cold-Pressed Iron Powder Briquettes
$1200
Category: Chemicals/Synthetic Resins/Unsaturated Polyester Resin
Company: Hebei Baofei New Materials Co., Ltd.
Product Description: Environmentally friendly and harmless production technology formula for iron powder cold-pressed pellet binder: completely free of sulfur, phosphorus, chlorine, aluminum, and other elements harmful to ironmaking and steelmaking, non-corrosive, does not reduce pellet grade, and does not add extra ash. High performance: extremely low addition amount (2%) ensures that wet pellets do not break after a 2-meter drop, with dry pellet strength exceeding 1500N, meeting the strength requirements of large blast furnaces. more>
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Development Trends of Fully Premixed Condensing Steam Generators
$10000
Category: Electrical Equipment & Supplies/Electric Motors/Generators
Company: Shaanxi Boruite Environmental Protection Technology Co., Ltd.
Product Description: Steam generators have become the go-to energy equipment for enterprises in producing hot steam, offering multiple advantages and applicability across various fields such as food processing, pharmaceutical production, chemical manufacturing, and printing and dyeing. They provide stable, high-temperature steam to meet the needs of diverse production processes.  In the era of rapidly advancing technology, steam generators are moving toward a more brilliant future at an unprecedented pace.  With continuous breakthroughs and innovations in energy utilization technology, steam generators, equipped with advanced combustion control technology, efficient heat exchange systems, and intelligent operational management modes, will maximize the conversion of every unit of invested energy into useful thermal energy. This not only reduces energy consumption but also contributes to sustainable development.  In terms of environmental aspects, future steam generators will become staunch advocates of green energy. By adopting new clean energy sources as fuel and leveraging their superior air-fuel ratio for complete combustion, nitrogen oxide emissions can be reduced to as low as 30mg/m³, minimizing environmental impact.  Especially in terms of performance, steam generators currently achieve a thermal efficiency of 100.27% and steam saturation of 98%. They provide a continuous and stable output of steam unaffected by external conditions, intelligently adapting to load changes under different operating conditions, which significantly reduces usage costs. Although the performance of current steam generators is already impressive, future technological innovations and optimizations will undoubtedly lead to even greater improvements.  At the same time, the application areas of steam generators will continue to expand and deepen, providing convenient and efficient services in industrial production and civil sectors. Their compact and flexible design will also enable them to adapt to more complex and dynamic environments and demands.  It is foreseeable that future steam generators will shine with their new characteristics of high efficiency, environmental friendliness, intelligence, and versatility, injecting continuous momentum into the progress and development of human society, with bright prospects ahead. more>
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Customized Cultural and Creative Metal Bookmarks, Production of Travel Souvenirs
$7
Category: Others
Company: Hunan Boya Gifts Co., Ltd.
Product Description: Customized Cultural and Creative Bookmarks Metal Bookmark Production Tourism Souvenirs Customization With the increasing prosperity of the cultural and creative industry, more and more people are beginning to focus on the quality and aesthetics in their daily lives. Bookmarks, seemingly insignificant small items, have gradually become a focal point of attention. No longer just simple tools for marking reading progress, cultural and creative bookmarks have evolved into fashionable and personalized decorative items.Metal bookmarks stand out in the cultural and creative bookmark category due to their unique texture and durability. They can be made from various metal materials such as copper, iron, aluminum, etc., and through meticulous design and craftsmanship, they exhibit a distinctive charm. Various patterns and texts, such as ancient poems, famous quotes, landscape paintings, etc., can be engraved on metal bookmarks, making them not only practical but also collectible.100 more>
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Supply of KT-2 Neuromuscular Stimulator (Spastic Muscle)
$电议
Category: Chemicals/Chemical Intermediates/Intermediate Compounds
Company: Beijing Yujian Rehabilitation Medical Equipment Co., Ltd.
Product Description: I. Product OverviewThe KT series neuromuscular stimulator consists of two models: KT-1 and KT-2. KT-2 is a new model derived by our company from KT-1 by increasing the inter-channel pulse output delay.It operates on the principle of low-frequency pulses, acting on human soft tissues to stimulate muscle contraction, thereby achieving the goal of alleviating and relieving pain from soft tissue injuries.The KT-2 neuromuscular stimulator is designed based on low-frequency pulse electrotherapy and tailored to the physiological and pathological characteristics of neuromuscular tissues. It selectively applies asymmetric bidirectional pulse waves of varying frequencies and pulse widths to the patient's spastic muscles and antagonist muscles, alternately stimulating muscle contractions to relax muscles, relieve spasms, and improve limb function.This stimulator has four treatment channels and can be used simultaneously for two individuals. Channel I and Channel II treat one patient, while Channel III and Channel IV can treat another patient at the same time. It can also be used for multi-site treatment of a single patient. The method involves skin electrodes (which can also be used for electroacupuncture stimulation).II. Structural CompositionThis product consists of a main unit, leads, and electrode pads.III. Scope of ApplicationThis product has analgesic and anti-inflammatory effects on conditions such as hyperosteogeny, lumbar muscle strain, sprains and contusions, and joint pain. It also stimulates muscles and reduces muscle tension. However, the body may easily develop adaptability. more>
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The synergistic effect of greenhouse shading and ventilation systems
$16
Category: Others
Company: Henan Aonongyuan Greenhouse Engineering Co., Ltd
Product Description:       The shading system primarily reflects sunlight from the outside, allowing partial sunlight to pass through the mesh gaps to achieve cooling. The ventilation system achieves indoor cooling through the combination of windows and fan-pad systems. When these two systems work together, they can achieve excellent cooling effects, and the indoor environment can reach a relatively ideal state. more>
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Selection of External and Internal Shading Nets for Greenhouses
$4.3
Category: Others
Company: Henan Aonongyuan Greenhouse Engineering Co., Ltd
Product Description:            The external shading net is installed 0.5 meters above the ridge of the greenhouse roof. The shading material uses a breathable shading curtain with a shading rate of 75% and an energy-saving rate of 25%. The shading net is a domestic black shading net with a shading rate of 70%. It is made of high-density polyethylene, treated with UV stabilizers and anti-oxidation agents. It has the advantages of no thread shedding, strong wind resistance, UV protection, anti-aging, and good flatness.          The internal shading is installed on the internal truss beams of the greenhouse, with a shading rate of 65% aluminum foil shading net or shading insulation net.The internal shading curtain is composed of 4mm wide polyester plastic strips woven with high-strength polyester yarn, providing good indoor climate conditions to avoid leaf condensation, reduce diseases, and lower energy costs. The woven structure of the curtain allows water vapor to pass through, preventing condensation under the curtain; the curtain is a highly UV-resistant and anti-static product, maintaining cleanliness and effectiveness even after many years of use. more>
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Installation of External Sunshades for Steel Structure Factory Buildings
$16
Category: Others
Company: Henan Aonongyuan Greenhouse Engineering Co., Ltd
Product Description:        External shading systems can be installed on the roofs of steel structure buildings. By using external shading, the indoor environment can be modified, and by regulating the indoor temperature, the environmental requirements necessary for plant growth can be met.       If there are no columns or suitable installation positions for external shading on the roof of a steel structure building, it is necessary to conduct an on-site assessment to determine whether the basic installation conditions are met. If the column base installation location does not meet the requirements, external shading cannot be installed. The installation of external shading for the Wuhan hydroponic greenhouse was based on the modification of the column bases used for installing photovoltaic panels on the steel structure roof, making them meet the usage requirements and thus designing an installation plan that could be implemented. During the subsequent installation process, improvements and optimizations were made based on actual conditions. When constructing new external shading, it is essential to plan the design in advance and match it according to the dimensions measured on-site. If the dimensions are consistent, the frame can be prefabricated in the factory and installed on-site. If the dimensions vary, on-site welding or the use of connecting components may be required. When installing external shading on glass-roofed structures, welding is generally not recommended because the splatter of molten iron during welding can crack the roof glass, causing unnecessary damage. It is advisable to use bolted connections instead. more>
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Specifications and Types of Insect-Proof Nets for Greenhouses
$2
Category: Machinery & Equipment/Agricultural Machinery/Other Agricultural Machinery
Company: Henan Aonongyuan Greenhouse Engineering Co., Ltd
Product Description: Specifications and types of insect-proof nets for greenhouses are generally indicated by "mesh count".   "Mesh count" refers to the number of mesh lines within a 1-inch (1 inch = 25.4 mm) length. In addition to the mesh count reflecting the size of the insect-proof net's openings, the opening size also depends on the diameter of the mesh lines. The ventilation area of the insect-proof net can be calculated based on the mesh count and the diameter of the mesh lines. For example, with a mesh line diameter of 0.2 mm and a specification of 64 mesh, the total length of mesh lines per inch is 12.8 mm (64 lines × 0.2 mm), and the total length of the openings is 12.6 mm (25.4 mm - 12.8 mm). There are 63 openings per inch (25.4 mm), each with a width of 0.2 mm and an area of 0.04 mm². Therefore, per square inch of the insect-proof net, there are 63 × 63 openings, with a total opening area of 158.76 mm² (0.04 mm² × 63 × 63). It can be calculated that the ventilation area of this insect-proof net is 24.6% of the total area of the net.     Currently, there are three main types of insect-proof nets used in production to meet the light requirements of different vegetable varieties and the need to repel pests. The first is silver-gray insect-proof nets or aluminum foil strip insect-proof nets, which are effective in repelling aphids and can reduce the temperature inside the greenhouse. The second is white insect-proof nets, which have better light transmittance than silver-gray ones and are more commonly used, though the temperature inside the greenhouse in summer is slightly higher than in open fields, making them suitable for most light-loving vegetable cultivation. The third is black insect-proof nets, which provide effective shading and cooling. more>
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Manufacturer of loose PTFE seal parts for hydraulic equipment
$100
Category: Hardware & Tools/Seals & Gaskets/Other Seals
Company: Guangdong Dongshun Sealing Technology Co., Ltd.
Product Description: Manufacturer of PTFE Seal Components for Hydraulic EquipmentTechnical Characteristics and Industrial Applications of PTFE Seal Components for Hydraulic Equipment!PTFE Seal Components (DSHmfcom) are high-performance elements in the field of industrial sealing, specifically designed for extreme temperature environments ranging from -60°C to 260°C. Made from pure polytetrafluoroethylene (PTFE) material, these PTFE seal components exhibit excellent chemical resistance and mechanical properties in various media such as hydraulic oil, fire-resistant oil, water, and gas. They serve as core sealing solutions in industrial scenarios including hydraulic equipment, standard cylinders, machine tools, and hydraulic presses. Their wide temperature range adaptability and corrosion resistance directly determine the reliability and service life of equipment.I. Material Science Advantages of Polytetrafluoroethylene (PTFE)1. Chemical Stability and Corrosion Resistance:The carbon-fluorine bonds in PTFE grant it excellent chemical inertness, enabling it to withstand strong acids, strong alkalis, organic solvents, and almost all chemical media, earning it the title "King of Plastics."Non-stick and Low Permeability: With an extremely low surface energy, it hardly adheres to any substances while effectively blocking medium penetration, making it suitable for high-cleanliness applications.2. Physical Properties and Extreme Environment Adaptability:High and Low Temperature Resistance: Maintains stable physical properties within the range of -60°C to 260°C, with short-term tolerance for even higher temperatures.Self-Lubrication: The friction coefficient is as low as 0.04-0.1, reducing wear on sealing surfaces and extending equipment life.II. Engineering Advantages in Static Sealing ApplicationsHigh-Pressure Stability: Through filler modification (e.g., carbon fiber, glass fiber), the compressive strength is enhanced, and PTFE Seal Components effectively suppress cold flow deformation in high-pressure static sealing.Multi-Medium Compatibility: Exhibits broad-spectrum tolerance to media such as hydraulic oil, fire-resistant oil, water, and gas, making it particularly suitable for corrosive environments in chemical and energy industries.Long-Term Reliability: In static sealing conditions, PTFE's aging resistance is significantly superior to traditional rubber materials, extending maintenance cycles by 3-5 times.III. Typical Industrial Application Scenarios1. Hydraulic Equipment and Cylinder Sealing:In standard cylinders, PTFE seal components achieve bidirectional sealing through combined designs (e.g., paired with O-rings), ensuring uniform pressure distribution and near-zero leakage rates.2. Machine Tools and Hydraulic Presses:Used in static sealing parts such as guide rails and spindles to block the intrusion of cutting fluid and metal debris, ensuring the operational precision of precision components.3. Chemical and Energy Equipment:In scenarios such as reaction kettles and pipeline flanges, their corrosion resistance can withstand strong acids and alkalis, reducing the frequency of shutdown maintenance.IV. Technological Frontiers and Industry TrendsMaterial Modification Innovations:Nano-fillers (e.g., molybdenum disulfide, carbon fiber) further enhance PTFE's wear resistance and anti-creep properties, adapting to higher load conditions.Intelligent Integration:Embedded sensors monitor sealing status in real time, enabling predictive maintenance and reducing the risk of sudden failures.Green Manufacturing Processes:Development of recyclable PTFE composite materials reduces industrial carbon footprints and complies with environmental policy requirements.The technological innovation of PTFE Seal Components is not only a triumph in material science but also a perfect integration of engineering wisdom and industry needs. As industrial equipment advances toward higher pressure, temperature, and precision, their technological iterations will continue to push the boundaries of sealing performance.Dongsheng Seals was established in 1992. Over the past 32 years, it has focused on sealing technology innovation, forming a doctoral team of over 10 members and establishing an industry-leading testing center equipped with dozens of high-speed and efficient production machines. The company is certified under ISO9001 and IATF standards, holds over 10 national patents, has developed 235+ material formulas and 1,725+ selection solutions, and maintains an inventory of over 1 million products and 100,000+ models and specifications. As a leading enterprise in China's sealing industry, Dongsheng (DSHmfcom) provides sealing system solutions for renowned companies such as Sany Heavy Industry, PetroChina, BYD, and Gree. Guided by the philosophy of "Dongsheng Intelligent Manufacturing, Sealing Reliability," it continues to tackle technical challenges and contribute to the development of China's industry. more>
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Maintenance and Application of Condensing Low-Nitrogen Gas Boilers
$10000
Category: Others
Company: Shaanxi Deli Energy Technology Co., Ltd.
Product Description:        The maintenance of condensing low-nitrogen gas boilers mainly involves routine inspections, cleaning, and replacement of parts. Conducting routine inspections ensures the safety of the condensing gas boiler during operation, allowing for timely identification and resolution of issues. Cleaning is a crucial aspect of maintaining boiler efficiency, including the removal of dust and dirt to ensure the burner functions properly. Replacing certain vulnerable parts, such as burners and valves, is also an important maintenance step. Timely replacement of these parts can prevent performance degradation or failures due to wear and tear.       Condensing low-nitrogen gas boilers are widely used across various industries due to their high efficiency and environmental benefits. Examples include hotels, residential communities, aquaculture, bathing facilities, shopping malls, schools, hospitals, and enterprises and institutions. more>
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