... , Zinc plated, nickel plated, chrome plated, powder coating, black anodizing, hot-dip galvanized, electrophoresis or others ... ,chromated plated, electrophoresis, powder coating,etc3.Machine:Stamping machines,automatic stamping machine,punching machines,Oil Hydraulic pressing machines ... requirements.5.Application: auto part, Medicine part, machine part, building part, household hardware, etc. metal ...