Production and processing of environmentally friendly equipment, water treatment equipment, membrane materials, environmentally friendly materials, electromechanical products, chemical equipment and accessories, building materials, needle textiles, clothing and apparel

Accessories and accessories, rubber and plastic products, electronic products, self-produced products, and the import and export of the above-mentioned goods, commission agency (excluding auctions), and providing related supporting services

(Goods that do not involve state-owned trade management, and goods that involve quota license management and special regulations management shall be applied for in accordance with relevant national regulations), water

Technological development in the fields of processing engineering, environmental engineering, membrane separation technology engineering, membrane materials, environmental protection materials, building materials, and petrochemical engineering technology,

Technology transfer, technical services, technical consulting, water treatment engineering design, environmental engineering design, membrane separation technology engineering design, environmental engineering professional contracting

Level 3 package, housing engineering, building waterproofing engineering, anti-corrosion and insulation engineering, mechanical and electrical equipment installation engineering, environmental protection engineering.

"Projects that require approval according to law can only be operated with the approval of relevant departments.