Fasteners, metal products, machinery and accessories, electrical hardware, hardware tools, rigging, mining and construction accessories, railway fittings, electrical equipment, traffic facility components, photovoltaic accessories manufacturing and sales; sales of electromechanical equipment, electric tools, automotive parts, lifting equipment, non-precious metal, steel wire rope, bearings, transmission equipment, construction accessories, building materials, steel, safety supplies, construction anchor agents, chemical raw materials (excluding hazardous chemicals), welding equipment, electrical wires and cables, paper products, earthquake-resistant brackets, stainless steel products, rubber products, lubricants, plastic products (excluding medical use); import and export business. (Operational business as permitted by relevant departmental approval and filing.)