... of workmanship 3.rich experience 4.OEM &ODM service investment casting-OEMMaterialcarbon steel, stainless steel, 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 carton or as per ...