Development, manufacturing, processing and sales of: molds, cutting tools, measuring tools, inspection tools, casting machinery and equipment and accessories, hydraulic and pneumatic equipment, automobile parts (excluding engines), motorcycle parts (excluding engines), tooling casting products; sales: hardware, Jiaodian, electric tools, general machinery and equipment, electrical machinery and equipment, rubber Products, chemical products (excluding hazardous chemicals), building materials (excluding hazardous chemicals), plumbing equipment, water pumps, valves, bearings, wires, cables, office supplies; acquisition and sale of waste materials; import and export of goods and technology (except those prohibited and restricted by the state); general freight (operating according to the period of license approval). ****