Non-ferrous metal casting; metal processing machinery manufacturing; general parts manufacturing; automobile parts and accessories manufacturing; mechanical parts and parts processing; drawing, calculation and measuring instrument manufacturing; mechanical equipment research and development; automobile parts research and development; sales of metal structures; sales of drawing, calculation and measuring instruments; import and export of goods; technical services, technology development, technical consulting, technical exchanges, technology transfer, technology promotion; research and development, manufacturing and sales of machine tools, molds, fixtures, robots, cutting tools, auto parts, motorcycle parts (excluding engines); mechanical stamping and metal product processing. [Projects that require approval according to law can only carry out business activities after approval from relevant departments]***.