... frame 1.part material :steel ,stainlees stell 2.finish:coating , galvanzied ,polisehd Customerized steel precision stamping part/metal stampingMaterial: carbon ... stamping,stamping part1.ODM/OEM2.ISO901,TS169493.Material: carbon/alloy steel,stainlee steel,aluminumStamping parts for rods, ... on rough machining and final machining Metal frame, steel part chorme plated bright, Metal welding part