1. Raw Material of this coil spring: Stainless Steel, Carbon Spring Steel, Higt Temperature Resisting Alloy;

2. Wire Diameter: 0.10 mm to 20.00 mm;

3. Manufactured by import CNC computer machines;

4. Springs have good hardness and resistance to both high and low temperature;

5. My company produces spring according to drawings;

6.OEM and ODM are welcome.