1, hardware power, electronic products, telecommunications equipment, wire and cable, power tools, household appliances, electrical and mechanical equipment; Communication equipment, photography equipment, fitness equipment, audio equipment, hotel equipment, auto parts, quantity cutting tools; 3. Instruments, medical instruments, construction materials, decoration materials, ceramic products, sanitary ware, rubber and plastic products; 4, chemical raw materials and products (except dangerous goods) , computers and accessories, printing machinery, office equipment, cultural and sports supplies, daily necessities;