... is wire drawing 3.OEM part 2013 stainless steel chair hardware stamping part Haiyan Hongtai Metal ... steel , galvanized sheet, stainless steel 304 ,brass2) surface treatment: Zinc , powder coat, hot-dip galvanized3) machining Process: Stamping , turning,tube ... bending, welding, milling, CNC lathe…4) usage of products: Furniture fitting, construction hardware , telecom , auto, machine…5 ...