... ODM 3>EXW price & strictly quality control Steel drum spring manufacturerFeatures: 1) Wire Diameter: 0.08~ 10.0mm 2) Type ... : compression drum spring. 3) Main material: carbon spring steel, alloy spring steel, refractory, music wire, steel, stainless steel ... spring, car/vehicle spring, auto spring, machine spring,wire spring, coiled spring, cylinder spring, electronic spring with pretty ...