manufacturer sheet metal welding part 1.competitive price 2.high standard of workmanship&high quality 3.rich experience 4.OE manufacturer sheet metal welding part OEM metal partMaterialcarbon 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, ...