Sales of chemical products (excluding licensed chemical products); sales of food additives; sales of surface functional materials; sales of coatings (excluding hazardous chemicals); wholesale of motorcycles and spare parts; sales agency; wholesale of auto parts; sales of agricultural and sideline products; wholesale of computer hardware and software and auxiliary equipment; sales of instruments and meters; purchase of primary agricultural products; sales of needle textiles; sales of needle textiles and raw materials; sales of daily necessities; sales of lightweight building materials; sales of building materials; wholesale of hardware products; sales of machinery and equipment; sales of machinery parts and components; retail of hardware products; retail of computer hardware and software and auxiliary equipment; retail of auto parts; retail of motorcycles and spare parts; conference and exhibition services; information consulting services (excluding licensed information consulting services); domestic freight forwarding agency; import and export of goods; import and export of technology