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