Spring, coil spring, tension spring: 1) Different kinds of material; 2) Variety of finish; 3) Excellent dimensional accuracy Spring, coil spring, tension spring:1) Material: carbon steel, stainless steel, aluminum alloy, brass and bronze alloy etc.2) Finish: zinc plating, nickel plating, chrome plating, phosphate coating etc.3) Excellent dimensional accuracy.4) Very low piece price.

Spring, coil spring, tension spring