... fold part 1.sheet metal stamping parts 2.powdr coating surface 3.professional OEM factory 4. Small quantity wel sheet ... ,brass,aluminum,etc2. Finish:zinc plated,chromated plated, electrophoresis, powder coating,etc3.Machine:Stamping machines,automatic stamping machine,punching machines,Oil ... requirements.5.Application: auto part, Medicine part, machine part, building part, household hardware, etc.