China Chemicals Suppliers List

鹏正茂(陕西)新材料科技有限责任公司

Main Products: Chlorhexidine acetate, Chlorhexidine dihydrochloride, Chlorhexidine Gluconate,
Introduct: Peng Zhengmao (Shaanxi) New Material Technology Co., Ltd. is a high-tech enterprise integrating the research, development, production, and sales of pharmaceutical intermediates, active pharmaceutical ingredients (APIs), and various fine chemicals. Its affiliated companies have obtained the "High-Tech Enterprise Certification," ISO-9001 International Quality System Certification, technology trade license certificates, and two "Siyuan" brand registered trademarks. Currently, over 50 varieties are available for immediate supply, and more than 300 varieties can be custom-produced. These products span over ten fields, including pharmaceutical intermediates, APIs, catalysts, and flavors and fragrances. Our business scope includes the technical R&D, production, and sales of intermediates for APIs, materials, and agricultural/veterinary drugs. The company currently employs several doctoral-level R&D technicians and experienced equipment production experts, along with a stable customer base, forming a professional team that integrates technology R&D, production, and end sales. The company now operates a laboratory of nearly 1,000 square meters, collaborates with over twenty production bases, possesses more than a hundred proprietary technologies, and has successfully industrialized and stably marketed over ten products. Peng Zhengmao eagerly looks forward to cooperating with friends from both home and abroad and sincerely welcomes you to visit Xi'an for inspection and guidance.,

重庆普佑制药有限公司

Main Products: 2-((3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yloxy)ethanol L-tataric acid, 4,6-dichloro-2-(propylsulfanyl)pyrimidin-5-amine, (1R trans)-2-(3,4-difluorophenyl)cyclopropane amine hydrochloride,
Introduct: Chongqing Puyou Pharmaceutical Co., Ltd. is located in the Jiulong Industrial Park of Wanzhou Economic and Technological Development Zone. It specializes in the research, development, production, and sales of specialized pharmaceutical intermediates with complex chemical structures and high synthesis difficulty, while also providing contract research and contract manufacturing services. Adhering to the business philosophy of "Integrating Chemistry and Biology" and "Dual-Driven by R&D Innovation and Technological Innovation," the company focuses on research in bulk drug areas such as chronic disease medications and preventive medicines. Its product pipeline includes antiplatelet, anti-heart failure, hypoglycemic, and antiviral drugs, among others.,

濮阳市金鼎化工有限公司

Main Products: sulfur monochloride, Chloroacetic acid, trichloroacetyl chloride,
Introduct: Puyang Jinding Chemical Co., Ltd. was established in May 2013. The project covers an area of over 80 acres with a total investment of approximately 150 million yuan. It is located in the Puyang Chemical Industry Cluster, known as the "Hometown of the Chinese Dragon." The company currently employs over 130 staff members and has departments such as Human Resources, Procurement, Sales, Business Management, Safety, Production Technology, Equipment Management, and Finance. It operates Production Workshop 1, Production Workshop 2, Production Workshop 3, and a Maintenance Workshop. Puyang Jinding Chemical Co., Ltd. is engaged in the manufacturing of other basic chemical raw materials. The company's main products and their scales are: 10,000 tons/year of chloroacetyl chloride, 10,000 tons/year of chloroacetic acid, 5,000 tons/year of sulfur chloride, 6,000 tons/year of chloromethyl ether, 5,000 tons/year of trichloroacetyl chloride, 7,000 tons/year of methyl chloroacetate, and 3,000 tons/year of methyl dichloroacetate, with a by-product of 13,000 tons/year of hydrochloric acid. These products are widely used in industries such as pharmaceuticals, pesticides, dyes, and adhesives. Among them, the quality and output of chloromethyl ether are at the leading level in China. Honors received by the company: In 2018, awarded "Charitable Donation Enterprise" by Hubuzhai Town; In 2019, awarded "Civilized and Honest Enterprise" by Puyang County and "Outstanding Contribution Enterprise" by Puyang Chemical Industry Cluster; In 2020, awarded "Outstanding Contribution Enterprise" by Puyang Chemical Industry Cluster. In 2021, awarded "Outstanding Contribution and Advanced Enterprise" by the Hubuzhai Town Committee of the Communist Party of China and the People's Government of Hubuzhai Town; In 2022, awarded "Outstanding Contribution Enterprise" by the Party Committee and Management Committee of Puyang Chemical Industry Cluster; In 2022, awarded "Advanced Enterprise" by the Party Committee and Management Committee of Puyang Chemical Industry Cluster.,

濮阳市恒丰电子绝缘材料有限公司

Main Products: 1,2,4,5-Benzenetetracarboxylic acid, 1,2,4,5-Benzenetetracarboxylic anhydride, Acrolein,
Introduct: Puyang Hengfeng Electronic Insulation Materials Co., Ltd., established in June 2015, is located in the Chemical Industrial Park of Puyang Economic and Technological Development Zone, Henan Province. Covering an area of nearly 70 acres, it is a key construction project in Puyang. The company is a comprehensive production and operation enterprise specializing in pyromellitic dianhydride (PMDA), pyromellitic acid, and pyromellitic anhydride, with an annual production capacity of 5,700 tons. It is one of the larger-scale production bases for pyromellitic dianhydride (PMDA) products in the industry. The pyromellitic anhydride series products produced by our company are widely used in new insulation materials, featuring high temperature resistance, deep cold resistance, impact resistance, excellent electrical insulation, and mechanical properties. They are excellent raw materials for manufacturing films, fibers, enameled wires, impregnated wires, foam plastics, injection-molded parts, and adhesives. The company consistently adheres to the concept of safe development, aiming to improve employee quality and product quality. It has established long-term cooperative relationships with several well-known domestic universities, taking this as an opportunity to lead the industry in product performance improvement and new product research and development. It has gained widespread recognition from the market and customers and has established long-term stable business relationships with renowned domestic enterprises. While rapidly developing and enhancing its hard power, the company strengthens its soft power construction by actively introducing senior enterprise management talents, further improving company management, cultivating corporate culture with advanced business philosophies, and embedding a people-oriented philosophy throughout all operational activities, thereby establishing a positive social image. The company's development relies on the help and support of leaders and customers at all levels. Puyang Hengfeng Electronic Insulation Materials Co., Ltd. welcomes leaders and customers to visit and provide guidance, and looks forward to working hand in hand with peers from all sectors to create a brilliant future together!,

河南普瑞制药有限公司

Main Products: Methyl phenylacetate, (±)-exo-6-Hydroxytropinone, D(-)-Arabinose,
Introduct:     Henan Purui Pharmaceutical Co., Ltd., located in Xihua County, Henan Province, covers an area of over 20,000 square meters. It is a specialized manufacturer of anticholinergic active pharmaceutical ingredients (APIs) in China and an important export base, certified by the National GMP (Good Manufacturing Practice) standards.     The company currently employs over 300 staff, including 72 professional and technical personnel (with intermediate and senior professional titles), and has fixed assets worth 40 million RMB. With strong technical capabilities, advanced production processes, and comprehensive testing instruments, the company strictly adheres to the "Good Manufacturing Practice for Pharmaceutical Products" in organizing production. It has established long-term cooperative relationships with the School of Pharmacy of Zhengzhou University and the Zhengzhou University New Drug R&D Center. On November 1, 2009, the company successfully passed the GMP inspection by the National Medical Products Administration (certificate numbers KO105 and G0037). It specializes in the production of APIs such as Racemic Anisodamine (National Drug Approval Number H19983090), Atropine Sulfate (National Drug Approval Number H20073819), Levofloxacin Hydrochloride, as well as various pharmaceutical intermediates including Tropine and Tropinol.     The company adheres to the management principle of "Quality First, People-Oriented," embraces a corporate spirit of keeping pace with the times and forging ahead with determination, and builds the image of Purui Pharmaceutical professionals with integrity.,

宜兴市灵谷塑料设备有限公司(原宜兴市工程塑料设备厂)

Main Products: Butterfly valve, Ball valve, Pipe line,
Introduct: Yixing Linggu Plastic Equipment Co., Ltd. (formerly Yixing Engineering Plastic Equipment Factory) was established in 1987. Located in Yixing, a nationally renowned "Pottery Capital," the company is one of the early manufacturers of engineering plastic pumps. It specializes in producing "Linggu" brand corrosion-resistant and wear-resistant engineering plastic pumps, primarily made from ultra-high molecular weight polyethylene. The company holds a national production license for pump products and is certified under the ISO9001:2015 quality management system. The company covers an area of 45,000 square meters, with fixed assets worth 50 million yuan and an annual production capacity exceeding 200 million yuan. Over the past 30 years since its establishment, the company has focused on five key themes: new product development, market expansion, quality assurance, customer service, and management improvement. Based on a pragmatic approach, the company has continuously explored and innovated, achieving substantial progress in the research and development of new product structures, materials, and processes, as well as transitioning equipment toward high precision, innovation, and intelligence. To date, the company possesses one welding robot workstation, two assembly and complete machine production lines, one semi-automatic painting line, 17 horizontal and vertical machining centers and turning centers, 14 CNC gantry milling machines, CNC lathes, and CNC wire-cutting machines, and 24 conventional equipment units for boring, turning, milling, planing, grinding, and drilling. Additionally, it has 34 compression molding machines ranging from 50 to 1000 tons, 16 ovens of various sizes, and 49 auxiliary equipment units. A nationally standardized Class B open test bench rigorously inspects each pump before leaving the factory. The testing flow rate can reach up to 4,500 m³/h, with automatic data sampling, providing customers with comprehensive inspection reports. The company also has a special nozzle atomization test system that utilizes advanced patented technology to measure the atomization characteristics of nozzles, generating five atomization characteristic parameter curves. A coordinate measuring machine ensures the geometric tolerance inspection of critical components. With strong technical capabilities, the company possesses the ability to independently develop products and molds. It is equipped with a physical and chemical analysis laboratory and a destructive test bench for material comparison and experimentation. The company has obtained one invention patent and 24 utility model patents, including five sealing patents. Currently, the company has developed various products, including horizontal and submersible types, spanning 18 series, over 100 varieties, and more than 1,000 specifications. The flow rate can reach up to 4,500 m³/h, the head up to 80 m, and the submersible working depth up to 4 m. The product lines include: FUH series plastic horizontal pumps, FDU series low-speed plastic slurry pumps, FTT series silicon carbide ceramic pumps, FLU series filter press pumps, FCU series side suction pumps, FTU series ceramic composite pumps, FYUB series cantilever submersible pumps, FYUC series low-speed cantilever submersible slurry pumps, FZU series self-priming pumps, IMC series magnetic drive pumps, FRU series hose pumps, FGU series pipeline pumps, FSL series vertical pumps, FQU series all-plastic pumps, FXU series cyclone slurry pumps, FCF series plastic-lined pumps, FFU series pontoon pumps, and FPZJ series water jet vacuum units. The company also produces engineering plastic steel-lined plastic pipelines, fittings, foot valves, ball valves, diaphragm valves, compensators, and spray nozzles. The products are widely used in non-ferrous metal smelting (gold, silver, copper, lead, zinc, nickel, cobalt, etc.), ferrous metal smelting (steel pickling and manganese industry), titanium dioxide, petrochemicals, phosphate fertilizers, chemical fibers, citric acid, acid production, rare earth, environmental protection, power plant desulfurization, rare metals, pesticides, and other industries. They are used to transport clear liquids or corrosive media containing solid particles, such as dilute sulfuric acid, phosphoric acid, hydrofluoric acid, fluorosilicic acid, hydrochloric acid, mixed acids, electrolytes, and gypsum slurry. The products are sold in 28 provinces, municipalities, and autonomous regions across China, serving over 5,000 customers, and have been exported to countries such as Thailand, Indonesia, Vietnam, Malaysia, Mongolia, Papua New Guinea, and Jordan. The company also boasts a mature customer service team and a comprehensive customer service system, providing consultation, training, maintenance, and guidance to customers. Amid fierce competition, Yixing Linggu Plastic Equipment Co., Ltd. adheres to the business philosophy of "people-oriented, quality-driven, market-focused, innovation-powered, and management-based," continuously striving to provide high-quality products and excellent after-sales service!,

开封普丰化工有限公司

Main Products: trans-1,4-dibromo-2-butene, 1-Bromo-2-ethylhexane, Acetyl bromide,
Introduct: Kaifeng Pufeng Chemical Co., Ltd. is a chemical enterprise integrating research and development, production, and operation. It primarily produces and operates a series of products including bromoalkanes, bromocarboxylic acids and their derivatives, acyl bromides, and amides. The company covers an area of 25,000 square meters, with a clean and tidy environment and a rational layout. It features standard medium-sized production workshops and supporting facilities, as well as a quality inspection and R&D center equipped with advanced instruments. Since its establishment, the company has focused on new technologies and high quality, advocating the corporate philosophy of "people-oriented, technological innovation." The enterprise boasts a team of technical and managerial talents engaged in chemical management, R&D, and production, with various professionals accounting for 30% of the total workforce, dedicated to continuous product innovation. Looking ahead, all employees of the company will strive tirelessly and persistently to meet market demands with better products and high-quality services. We sincerely welcome domestic and international clients to discuss business, cooperate for mutual benefit, and create a brilliant future together!,

上海瑞上医药科技有限公司

Main Products:
Introduct: Shanghai Ruishang Pharmaceutical Technology Co., Ltd. (formerly Zhoushan Purisen Pharmaceutical and Chemical Co., Ltd.) has a professional team dedicated to research and development, production, and international market expansion. To meet development needs, the company officially relocated from Zhejiang to the Shanghai Pujiang High-Tech Park at the end of 2019, integrating its R&D and sales centers. The company has established cooperative relationships with research institutions such as the Shanghai Institute of Pharmaceutical Industry and Shenyang Pharmaceutical University. It has set up cooperative production bases in Shandong and Jiangsu, and maintains an office in Mumbai, India. On one hand, leveraging its own R&D and production resources, the Shanghai R&D center, led by Ph.D. experts, focuses on process development to provide customized services for domestic and international clients in the form of specialty active pharmaceutical ingredients (APIs) and advanced intermediates. On the other hand, the company is committed to sourcing specialty pharmaceutical and chemical raw materials from around the world for Chinese pharmaceutical enterprises. Its service scope spans from the development of new compounds in the laboratory to large-scale production. Our mission is: "To provide professional, high-quality, and value-added services for our clients." We focus on the following areas: Custom production of specialty APIs/intermediates Acting as agents to develop international markets for domestic products Acting as agents to develop the Chinese market for imported products,

扬州市普林斯医药科技有限公司(试剂)

Main Products: methyl 6-methylnicotinate, trans-2,3-Dimethylacrylic acid, 2-Methoxyethyl acetate,
Introduct: Yangzhou Prince Pharmaceutical Technology Co., Ltd. is located in Yangzhou City, Jiangsu Province. Established in 2003, the company specializes in the research, development, and production of novel pharmaceutical intermediates, specialty chemicals, and distinctive generic drugs. It holds controlling or participating shares in factories located in Yangzhou (Jiangsu), Anqing (Anhui), and Alxa (Inner Mongolia). In the urban area of Yangzhou, the company has established a business center and a research and development center. The company excels in various types of reactions, including etherification, amination, chlorination, esterification, cyclization, hydrogenation, and Grignard reactions. Over the past decade, it has developed more than 400 catalog products, including over 40 key pharmaceutical intermediates. These intermediates are involved in areas such as anticancer, cardiovascular, digestive system, and psychiatric diseases, covering key intermediates for active pharmaceutical ingredients like quetiapine, fluvoxamine, erlotinib, gefitinib, sunitinib, lapatinib, rabeprazole, and lafutidine. For many years, the company has been supplying high-quality pharmaceutical intermediates to numerous globally renowned pharmaceutical enterprises. In 2011, the company was recognized as a "High-Tech Enterprise." It adheres to a path of technological innovation and holds more than 10 authorized invention patents. The company insists on using international standard management systems to advance all aspects of its operations. It has established an ISO9001:2000 quality management system, an ISO14001:2004 environmental management system, and an OHS18001:1999 occupational health and safety management system. Over the years, it has passed on-site audits conducted by more than 20 international and domestic pharmaceutical companies.,

平泉盛和化工有限公司

Main Products: Hydrofluoric Acid, Deuterium fluoride, Fluorosilicic acid,
Introduct: Pingquan Shenghe Chemical Co., Ltd., established on January 14, 2025, with a registered capital of 3 million yuan, is located in Hebei Pingquan, the historical and cultural city known as the "Origin of the Khitan Ancestors." The company employs 3 chemical engineers and over 30 specialized technical personnel in fluorine chemistry. It is a modern chemical enterprise integrating production, storage, and sales. Products include: hydrofluoric acid, fluorosilicic acid (silicofluoric acid), electrolyte hydrogen fluoride for lead electrolysis, sulfuric acid, fluorite (powder), and other industrial products. Production utilizes a DCS automated control system with advanced technology. The core technical team has over 20 years of experience in the fluorine chemical industry, fully capable of meeting the usage needs of related sectors. The company not only provides high-quality products but also has established a comprehensive after-sales service system, offering guidance and assistance for problems and challenges encountered during enterprise development. Looking to the future, through continuous efforts and improvements, we aim to deepen cooperation with various enterprises to achieve mutual benefit and win-win outcomes!,

山东普意泰新材料有限公司

Main Products: 2,2,6,6-Tetramethyl-4-piperidinol, Trimethyl phosphate, Photo-stabilizer BW-10LD,
Introduct: Shandong Puyitai New Material Co., Ltd. is located 50 meters north of the intersection of Jianshe Street and Linshang Road in Juancheng County, Heze City, Shandong Province, known as the hometown of peonies. The company is dedicated to providing customers with a series of light stabilizer products such as 770 and 622, along with comprehensive light stabilization solutions. These effectively mitigate the photodegradation chemical reactions in polyolefins, coatings, engineering plastics, and biodegradable materials, significantly extending the service life of polymer materials. The company's main products include: Tetramethylpiperidone, Tetramethylpiperidinol, Tetramethylpiperidinamine, Polymerization Inhibitor 701, Light Stabilizer GW-770, Light Stabilizer GW-622, Light Stabilizer GW-290, and Synergistic Crosslinking Agent 970. Product Features and Application Areas: These products focus on the field of hindered amine light stabilizers and their intermediates. They feature diverse functional group structures, high molecular weight, low alkalinity, and bonding capabilities. They can capture free radicals generated during photodegradation chain reactions, effectively inhibiting photodegradation chemical processes. With low additive concentrations, they achieve excellent anti-aging effects, significantly enhancing the long-term thermal stability of products. They can replace phenolic antioxidants and are widely used in automotive interiors and exteriors, outdoor sports equipment, artificial turf, chemical fibers, coatings, engineering plastics, textiles, building materials, and other industries.,

陕西帕尼尔生物科技有限公司

Main Products: L-(+)-Ergothioneine, alpha-ecdysone, Matrine,
Introduct: Shaanxi Panier Biotechnology Co., Ltd. was established in 2012, specializing in the extraction, research and development, production, and sales of plant active ingredients. It is a standardized plant extraction company established in accordance with international standards. Its natural plant extraction products are widely used in functional food and beverages, health products, cosmetics, and pharmaceuticals, with products sold in the Americas, Australia, Europe, and Southeast Asia. The company operates two factories: one is a solid beverage workshop in the Tongchuan New Area, covering an area of 1,000 square meters, primarily engaged in the production of solid beverages and pressed candies. This factory has obtained the SC certification. The other plant extraction workshop is located in Lueyang, Hanzhong, mainly focused on the separation and extraction of plant monomers. This factory has passed GMP certification and also obtained SC certification. Since its establishment, the company has successively obtained ISO9001/22000, HACCP, HALAL, Kosher, and Organic certifications. It is a high-quality enterprise registered with the FDA.,

上海坪尧贸易有限公司

Main Products: Bearing oil, Turbine oil, Cleaning agent,
Introduct: Shanghai Pingyao Trading Co., Ltd. is the exclusive distributor of CPI synthetic lubricants in the Chinese market. It is a professional company formed by a team of synthetic oil experts and compressor specialists. Currently, the company operates two warehouses, one in the Shanghai Waigaoqiao Free Trade Zone and another in the Putuo District, with ample stock available to serve compressor manufacturers, distributors, and petrochemical industry dealers across various provinces and cities in China.,

深圳迈百克生物医药技术有限公司

Main Products: beta-nicotinamide mononucleotide, resveratrol, 5-Aminolevulinic acid hydrochloride,
Introduct: Shenzhen Maibaike Biopharmaceutical Technology Co., Ltd. is located in the Xiamen Haicang Biopharmaceutical Park. It was co-founded by renowned clinical medicine and pharmaceutical professors and scholars from both domestic and international backgrounds. The company is a high-tech biopharmaceutical enterprise integrating research, production, and sales. Maibaike Biopharma's main business includes the development and application of biological enzymes, as well as the development and production of pharmaceutical intermediates, active pharmaceutical ingredients (APIs), and functional chemicals. The company possesses a robust biotechnology platform, chemical technology platform, testing and analysis platform, and a GMP production system. It focuses on the development and application research of biological enzymes. The company's main products include coenzyme series such as Resveratrol, 5ALA, NMN, NAD, NADP, NADH, NADPH, biological enzymes, pharmaceutical APIs, and intermediates. The company has a 5,000-square-meter comprehensive drug production base and a 1,500-square-meter research center for raw materials and formulations. Shenzhen Maibaike Biopharmaceutical Technology Co., Ltd. adheres to the principles of integrity, communication, and collaboration, and is deeply committed to the field of research and development. We strive to create a harmonious and relaxed innovation environment, enhance efficient and rapid project advancement capabilities, and build a technology-intensive enterprise that excels in pharmaceutical R&D and production. The future development of the company, whether in expanding existing businesses, improving competitiveness, or extending into new ventures, relies on outstanding employees and their dedication, learning spirit, and combativeness. Maibaike Biopharma welcomes outstanding individuals to join us!,

山东满堂红新材料有限公司

Main Products: Potassium hydrogen phosphate anhydrous, Magnesium oxide, Potassium persulfate,
Introduct: Shandong Mantanghong New Material Co., Ltd. is located in the beautiful Spring City—Jinan, at No. 8 Huashan West Road, Tianqiao District. The location offers excellent transportation access, with the Jingfu Expressway exit just 100 meters away and Qingdao Port and Tianjin Port only 300 kilometers distant. To the north lies the Jinan Gaijiagou Logistics Base, providing convenient logistics distribution for a wide range of customers. As a modern chemical enterprise integrating research, production, and sales, the company leverages strong technical expertise to actively promote the technological advancement and quality development of specialized products, grounded in integrity and cooperation. We boast a dynamic and highly qualified marketing team that continuously explores innovative business strategies amid increasingly fierce market competition. Through credibility and strength, we have established close collaborative relationships with major domestic companies, securing exclusive sales distribution rights for their products. This has streamlined supply chains, enhanced market competitiveness, and elevated the company’s reputation, leading to a virtuous cycle of growth. Our products are consistently exported to regions including Europe, America, and Asia, earning high praise from customers worldwide. By segmenting the market and adopting differentiated marketing strategies tailored to client needs, our products and services have received acclaim from both distributors and end consumers. In the face of intense market competition, Jinan Chuangshi Chemical Co., Ltd. remains committed to the operating principle of "being reasonable people and building a trustworthy enterprise," ensuring rapid, healthy, and stable development. We adhere to a process- and technology-driven approach to improve product quality, a brand-oriented strategy to enrich corporate cultural value, and a market-focused vision to maximize benefits for distributors and consumers, delivering premium products and services. Looking ahead, we aspire to maintain mutual trust, mutual benefit, and stable cooperative relationships with friends both domestically and internationally. Together, we will advance hand in hand, achieve mutual success, and pursue long-term growth. "Harmony among people, products, profits, and hearts" is our guiding philosophy. We sincerely welcome partnerships with friends around the world to innovate, develop, and create a brilliant future together!,

安徽德信佳生物医药有限公司(生产企业)

Main Products: 4-Nitrophenylethylamine hydrobromide, 4-Nitrophenethylamine hydrochloride, (R)-(-)-3-Chloro-1,2-propanediol,
Introduct: Anhui Dexinjia Biopharmaceutical Co., Ltd., a high-tech enterprise invested and established by Jinan Dexinjia Biotechnology Co., Ltd., is a modern factory specializing in the research, development, production, and sales of pharmaceutical raw materials, side-chain raw materials, and pharmaceutical intermediates for treating asthma, anti-tumor, and antiviral applications. The factory is located in the Taihe Development Zone Pharmaceutical Industrial Park in Anhui, covering an area of 150 acres. The facility currently includes multiple production workshops, raw and auxiliary material warehouses, and finished product storage areas, all equipped with advanced production facilities and equipment, with an annual production capacity of thousands of tons.,