Processing of general machinery parts, rubber and plastic products, and general metal parts; mold development; sales: building materials (excluding chemical dangerous goods), metal materials (excluding rare and precious metals), Wujinjiaodian, chemical products and raw materials (excluding hazardous chemicals and precursor chemicals), mineral products (except for national special management regulations), electromechanical products (excluding automobiles), bearings, auto parts, motorcycles and accessories (excluding engines), department stores (excluding agricultural film). (Except for the above business scope prohibited by laws and administrative regulations; operations restricted by laws and administrative regulations must obtain a license)