1.Broaching machine 2.drill machine parts 3.Material: copper,aluminum and so on 4.At ... ,copper,aluminum,iron and so on.2, Usage: auto & motorcycle, mining machinery, building industry, electrical and electronic products, industrial machinery and ... ), zinc-plated, nickel-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder-coating.6.we are OEM,we can according your requirement ...