Production, processing and sales: steel bars, welded steel mesh, cold-rolled twisted steel, stirrups, steel mesh; sales: building materials (excluding hazardous chemicals), decorative materials (excluding hazardous chemicals), metal materials (excluding rare and precious metals), chemical raw materials and products (excluding hazardous and precursor chemicals) products), general machinery, electrical machinery and equipment, electrical equipment, Wujinjiaodian, motorcycle parts, truss floor decking, metal products; warehousing and tallying (excluding hazardous chemicals), loading and unloading services; production and processing: steel component molded products, cement component products; architectural design. (The above scope shall not be operated if it is prohibited by national laws and regulations; it shall be subject to examination and approval according to national laws and regulations, but shall not be operated before approval is obtained)*