Production, processing and sales: standard parts, non-standard parts, auto parts, motorcycle parts, general machinery parts, general machinery equipment and accessories; processing and sales: steel structures, steel shots, metal products; sales: rubber products, Wujinjiaodian, dust removal equipment and accessories, shot blasting equipment, filter elements, filter bags, sand blasting rooms; import and export business of goods; technology import and export business, sales of bearings, gears and transmission parts, sales of micro motors and components, casting machinery manufacturing, casting machinery sales, general equipment repair, coating equipment manufacturing