... shock absorbers 4.Best price 1. Product Name: 3mm Spring Of Grade 452. Material: Steel GradeGB StandardCarbon%Silicon%Manganese%Phosphorus%Sulphur %Chromium%Nickel ... spring steel wires.6. Our other material: 60#,65#,C70DA,C82DA,70#,80#,72A,72B,82B.7. Wire Gauge:0.2mm,0.3mm ... ,12mm.Our Factory And Office BuildingMachine Of Our FactoryOur Spring Products 3mm Spring Of Grade 45(45#,60#,65#,C70DA,C82DA,70 ...