... : carbon steel, alloy steel, stainless steel, cast iron, brass, aluminum and etc3.All we can make.4.Packaging: 1pcs/box,15kg ... or nitrogen treatment, carburizing hardened.6.Process: stamping, deep drawing, welding, sheet metal fabrication, and metal assembly.7.Finish: Chromic/Nickel plated ... Sample order acceptable.14.Application:used for vehicle highest quality and cheapest goods hardware parts