Processing and sales: rubber products, general machinery and accessories (except those with special regulations by the state), molds, auto parts (excluding engines), motorcycle parts (excluding engines), instruments, packaging products (excluding printing and items that require license or approval according to laws and regulations), metal materials (except those with special regulations by the state), electronic components, plastics Products; sales: building materials (excluding hazardous chemicals), decorative materials (excluding hazardous chemicals), chemical products and raw materials (excluding hazardous chemicals and precursor chemicals), Wujinjiaodian, insulation materials (excluding hazardous chemicals), daily necessities, office supplies, wires and cables, steel, daily miscellaneous goods (excluding fireworks), clamps, knives, and knitted textiles. (Except for the above business scope prohibited by laws and administrative regulations; operations restricted by laws and administrative regulations must obtain a license)**