... Stamping PartsLoad Type: CompressionMaterial: Steel,Brass,Matel,EtcUsage: Automobile;Auto;CarCertificate: ISO9001, TS/16949Continuous Coil Spring; 1.Material:steel, ... euipmentproduction line of investment casting introduced from Taiwan,spectrum analyzer device imported from Germany,vacuum melting furnace,CNC machine ... SGS test passed)Our workshopMain Prouducts metal washers for auto spare parts