1) OEM: 30 Years Experience 2) Zero-defect,High quality Product Serial   "Shaungdi" Serial Product Cover Spring and Stamping Part,Such as Clutch Spring,Suspension spring,valve Spring,Compression spring,Tension Spring,Torsion SpringCooperation with famous brand  Our enterprise established long and stable relationship with many famous  brands.Our main clients include GM,Volkswagen,Toyota and Etcthe most advanced technological levels in the world We have engineering staff and computer software to offer design assistance, problem solving, and prototype production. Leading Producting line  We have separately world-class suspension spring, clutch Spring and engine valve spring production line.Advanced testing machine  we have world-class testing machine,such as spring tension and compression testing mcahine controlled by computer,metallography microscopeCertificated  TS16949,ISO14001,OHSAS18001 certificated by TUV

Spring (TS16949,ISO14001,OHSAS18001)