... high quality 3.rich experienc manufacturer metal stamping and bending part OEM metal partMaterialcarbon steel, stainless ... steel tube, steel rod, aluminium , brass, zinc alloy and etc.Processstamping, bending, welding, casting, punching, machingSurfacepowder ... coating, zinc plated, nickel-chrome plated, painting, heat treatment and etcPackingpacked by carton, then on ...