Metal materials, light chemical raw materials, building materials, wood, automobiles (including cars) and accessories, mechanical and electrical equipment, fuel (excluding refined oil), Wujinjiaodian, knitwear, warehousing, computer online trading, information consultation and technical services. Guest rooms, office buildings, Chinese and western food, affiliated shopping malls (including tobacco and alcohol, handicrafts, books) entertainment and service facilities. Motorcycles and accessories, second-hand car trading, business services, spot trading and futures standard contract trading in bonded means of production trading market, household appliances, automobile interiors, simple commercial processing in bonded areas, agricultural machinery and accessories, material business consulting, bidding and contracting of complete sets of equipment for investment and development projects. Production of aluminum corrugated plates, sealing, modification, assembly and sales of plate-type box-frame trucks, futures consulting, operation of electronic computers and accessories, office supplies, office automation equipment. Self-management and agency of metallurgical burden, coal, rubber products, various commodities and technologies (except those restricted or prohibited by the state), counter-sale trade, entrepot trade, import and export business of refined oil, dangerous chemicals and waste materials.