General items: Supply chain management services; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of non-metallic minerals and products; Sales of construction reinforcement products; Wholesale of hardware products; Retail of hardware products; General merchandise sales; Wholesale of cosmetics; Cosmetics retail; Clothing wholesale; Clothing retail; Sales of needle textiles; Sales of chemical products (excluding licensed chemical products); Fertilizer sales; Fertilizer sales; Wholesale of computer software and hardware and auxiliary equipment; Retail of computer software and hardware and auxiliary equipment; Sales of metal materials; Sales of building materials; Sales of packaging materials and products; Furniture sales; Sales of refractory materials; Sales of building decoration materials; Lease of mechanical equipment; Installation and maintenance of specialized machinery for agriculture, forestry, animal husbandry and fishery; Enterprise management consulting; Information technology consulting services; Import and export of goods; Technology import and export