General Projects: bearings、 Gear and transmission component manufacturing, Gears and gear reduction、 gearbox manufacturing, Metal processing machinery manufacturing, Metal tool manufacturing, Metal surface treatment and heat treatment processing, Mechanical parts、 Parts processing, Auto parts and accessories manufacturing, Metal cutting machine tool manufacturing, Industrial robot manufacturing, Metal material sales, Metal product sales, Sales of rail transit engineering machinery and parts, Mechanical parts、 Parts Sales, Gears and gear reduction、 Transmission Sales, Import and export of goods。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)