Product:Suspension Spring Features: 1) Diameter: 0.15 ~ 80mm 2) Long service-life 3) Good hardness 4) Good resistance to both high and low temperatures 5) Can be used in various corrosive mediums 6) Main material: Carbon spring steel, alloy spring steel, Refractory steel, stainless steel, high temperature Resisting alloy, corrosion-resistant alloy and bronze 7) Widely used in automobiles,electrical Appliances, telecommunication, communication, Aviation, space and other civil fields