General Projects: Diving and Salvage Equipment Sales; Rubber Products Sales; Pneumatic and Electric Tool Sales; Metal Tool Sales; Environmental Emergency Detection Instrument and Meter Sales; Environmental Emergency Technical Equipment Sales; Lighting Appliance Sales; Mechanical and Electrical Equipment Sales; Firefighting Equipment Sales; Underwater Systems and Operation Equipment Sales; Special Equipment Sales; Fire Protection Technical Services; Network Technical Services; Information Technology Consulting Services; Technical Services, Technical Development, Technical Consultation, Technical Exchange, Technology Transfer, Technology Promotion; Special Labor Protection Products Sales; Hardware Products Retail; Plastic Products Sales; Class I Medical Device Sales; Class II Medical Device Sales; Medical Staff Protective Products Retail; Marine and Ecological Environment Monitoring Instrument and Equipment Sales; Environmental Protection Special Equipment Sales; Furniture Sales; Furniture Parts and Accessories Sales; Building Materials Sales; Emergency Rescue Services; Furniture Manufacturing; Traffic Safety and Control Special Equipment Manufacturing; Diving and Salvage Equipment Manufacturing; Environmental Emergency Detection Instrument and Meter Manufacturing; Fan and Blower Manufacturing; Security Equipment Manufacturing; Metal Products for Safety and Fire Protection Manufacturing; Industrial Textile Finished Products Sales (Except for projects that must be approved by law, carry out business activities independently in accordance with the law with a business license)