Automation equipment, mechanical equipment and accessories, precision parts, industrial aluminum profiles and accessories production, processing (limited branch operation), automation equipment, mechanical equipment and accessories, precision parts, industrial aluminum profiles and accessories, electronic products, wire and cable, wujinjiaodian, chemical raw materials and products (except hazardous chemicals, MCC, civil explosives, precursor chemicals), minerals (except specifically charged), automobile and motorcycle accessories, electrical equipment, metal materials, steel sales, engaged in goods and technology import and export business. The business activities may be carried out after the approval of the approved project.