... Stamping PartsLoad Type: CompressionMaterial: Steel,Brass,Matel,EtcUsage: Automobile;Auto;CarCertificate: ISO9001, TS/16949Continuous Coil Spring; 1.Material:steel, ... TreatmentPowder coating,neikel plating,chrome plating,zinc plating,etc and We can make according to your design7Production euipmentproduction line ... test passed)Our workshopMain Prouducts E-Line Compression Terminal Connectors and E-Line