Compression springs:
1, The wire diameter: From 0.2 mm up to 22 mm
2, Material: Stainless steel, carbon steel, spring steel, music steel,60Si2Mn, 55CrSi, 50CrV and others
3, Finish: Black, zinc plated, HDG galvanized, spray painting, molding powder and so on.
The usage: Widely used in toys, motorcycle, Auto, and other industries.