Coil spring, Spiral pring,bonnel spring for sofa is a kind of sofa spring,they distribute great quality,durability,and utility to sofa and seat.

Coil  Spring for Sofa

Feathers:

1.Material:  High carbon steel wire :80#

2. Wire diameter: 2.8mm-4.1mm

3. Caliber: 80mm-130mm

4.Heart diameter.: 40mm-60mm

5. Height: 80mm-260mm

6. Turn: 4-11 turns

7. Process:  high temperature treatment and antirust treatment.

8. Package: packed in fibre bag

9. Application: used for sofa or chair.

10. Quantity: up to customers' request.

11. Advantage: keep Stronger and Elastic

12. Terms: EXW, FOB,CIF