we are specilized in all kinds of torsion spring:
1.wire diameter for torsion spring:0.1mm~4.0mm
2.material for torsion spring: carbon steel,alloy spring steel,music wire steel,and stainless steel,iron,plated steel,alloy steel ,bronze,red bronze,phosphor copper,and beryllium copper;etc.
3.surface treatment for torsion spring:black oxide ,Zinc/Nicke/Chrome plating,power coating,oiled to prevent rust,passivate,etc.
4.good quality. good hardness and long service life.
5.these torsion spring are made by CNC spring's machines
6.OEM/ODM order is welcome.
7.torsion spring is usually made from samples or technical drawing,using your choice of material and to your custom configuration.
8.Single torsion spring,double torsion spring and multi-torsion spring
9.torsion in various directions
10.Export directly, Standard material,Responsive service