... with competitive price6. The domestic market share 70% in brake spring. . Item nameBrake springsItem number153,151,Xiaojinlong,etcMaterial availablecarbon steel wire ... , copper, alloy, etcSurface treatmentpolishing, anodizing, zinc plating, nickel plating, etcTypeCompression spring,Auto spring,others.Applicationauto, toy, electronics, medical device, motorcycles, furniture, bicycles, sofa ...