Mechanical parts and parts processing; general parts manufacturing; mold manufacturing; electronic component manufacturing; metal chain and other metal product manufacturing; toy manufacturing; plastic product manufacturing; auto parts and accessories manufacturing; mechanical parts and parts sales; mold sales; CNC machine tool sales; intelligent robot sales; service consumer machines Manufacturing of people; manufacturing of industrial robots; manufacturing of daily necessities; manufacturing of motorcycle spare parts; manufacturing of bicycle spare parts; manufacturing of bearings, gears and transmission parts; manufacturing of motors; manufacturing of architectural decoration, plumbing parts and other metal products for construction; manufacturing of rubber products; manufacturing of metal daily necessities; technology import and export; import and export of goods.