Design, manufacturing, sales, installation, and maintenance of testing equipment, tooling fixtures, and mechanical conveying systems; manufacturing of vertical multi-jointed industrial robots, welding robots and their welding equipment; manufacturing of FTL flexible production lines; remanufacturing of machine tools, engineering machinery, railway locomotive equipment, and other mechanical equipment and auto parts; design and manufacturing of metal product molds; design and manufacturing of special production equipment for automobile power batteries; automated elevated three-dimensional storage facilities, packaging, and processing