Engaged in technology development and technology transfer in the fields of medicine, chemical industry, biology, and new material technology, chemical raw materials and products (except hazardous chemicals, monitoring chemicals, fireworks, civilian explosives, and precursor chemicals), feed, and food Sales of additives, mechanical equipment and accessories, environmental protection equipment, wires and cables, auto parts, building materials, rubber products, packaging materials, mineral products (except for specialized products), first-class medical equipment, laboratory equipment, department stores, and Wujijiaodian, Business information consulting, enterprise management consulting (the above consulting except brokerage). [Projects that require approval according to law can only be carried out with approval from relevant departments]