Coil Spring for sofa, nosag/no-sag/no sag spring,roll spring,sinuous spring,coil spring,seat spring,snake spring,s-spring, back spring,independent spring coil,round spring,straight spring,flat spring,curve spring,super /big loop spring, functional spring,biconical,double bend spring are all sofa spring. Our sofa springs are all made from high tensile wire.

Coil spring/ Independent Spring Coil/Biconical belongs to sofa part or sofa fitting. our spring good in  quality.

Coil Spring  Features:

1. Wire diameter: 3.0mm-4.3mm

2. Head OD.: 8Omm-130mm

3. Barrel OD.: 40mm-60mm

4. Height: 40mm-300mm

5. Turn: 5-9 turns

6. Process:  high temperature treatment and antirust treatment

7. Package: packed in poly bag or carton

8. Application: used for sofa or chair.

9. Quantity: up to customers request.

10. Advantage: keep Stronger and Elastic