... rainbow plated 4.ISO9001-2008 Stamping punching part, Zinc Plated Mild Steel Stamping Production Description Haiyan Hongtai Metal ... coat, hot-dip galvanized,blackening, electroplate…3) machining Process:Stamping , turning,tube bending, welding, milling, CNC lathe…4 ... 3. Main products are stampings, furniture hardware, machine part, Auto part,tube bending ,welding part4. Used in the machinery, ...