... complete range of heavy duty and high performance hot coil compression springs made from high grade metals. The clutch springs ... the proper device to suit their needs. 1) Products Scope: Compression Spring, Extension spring, Torsion Spring, Battery Spring, Power spring, ... temperature Resisting alloy, corrosion-resistant alloy and bronze. 3)Size: Different wire diameter ranging from 0.15mm to 80mm. 4 ...