... OEM service high quality cnc steel turned parts 1.casting parts material: cast iron,steel,stainless steel,brass,copper,aluminum,zinc etc2 ... inspector:provide best quality products to clients 1materialgrey cast iron, ductile cast iron, steel, stainless steel, brass, copper, bronze, aluminum, zinc etc2sandgreen ... spraying, galvanization8standardJIS, ANSI, DIN, BS, GB high quality cnc steel turned parts