... and sample Material:iron,steel,stainless steel ,brass,aluminum high pricision Specifications1.Specification:according to drawings and ... demands 4.Surface treatment: Galvanization,plaint,power coating ,brass,polishing and more 5.Performace: Pricision metal stamping, ... , and home and industrial components Material : Steel, brass Aluminum alloyStrong in-house tooling designing and tooling making ...