General projects: technical service, technology development, technology consultation, technology exchange, technology transfer, technology promotion; Research and development of kitchenware, sanitary ware and daily necessities; Hardware product development; Plastic products manufacturing; Manufacture of industrial textile products; Manufacture of knitted or crocheted fabrics and articles thereof; Manufacture of domestic textile products; Hardware product manufacturing; Household goods manufacturing; Manufacture of daily ceramic products; Metal tool making; Manufacturing of daily necessities made of metal; Special equipment repair; Sales of industrial textile products; Sales of needle textiles and raw materials; Needle textile sales; Machinery and equipment sales; Sales of chemical products (excluding licensed chemical products); Rubber products sales; Glass fiber and products sales; Fertilizer sales; Fertilizer sales; Sales of plastic products; Sales of metal products; Sales of special equipment for environmental protection; Sales of electronic products; Sales of household goods; Building materials sales; Sales of lightweight building materials; Hardware products wholesale; Stationery wholesale; Hardware products retail; Stationery retail; Retail of computer hardware, software and auxiliary equipment; General goods storage services (excluding hazardous chemicals and other items requiring approval); Solid waste management; General freight vehicles with a total mass of 4.5 tons and less road freight transport (except network freight and dangerous goods). ; Spring manufacturing; Spring sales; Manufacture of wire rope and its products; Sales of wire rope and its products; Import and export of goods; Technology import and export.