1.professional design team for adjustable torsion springs 2.competitive price with good quality

3.Compression and No deformation 

4.Good elasticity

5.Applications: Automotive, medical device, electronics, toy etc.
6.Surface treatment:Zinc,Nickel,silver,golden,tin,powder coating.
7.professional design team for adjustable torsion springs
8.competitive price with good quality
9.free samples