We are Quan Yi Spring Hardwre Co. Ltd. in China. We specializing in manufacturing and exporting many kinds of sofa spring such as zigzag spring( include rolling zigzag spring, round zigzag spring, functional zigzag spring, flat zigzag spring, curve zigzag spring and super loop zigzag spring), pocket spring, coil spring and we also sell many sofa accessories.

Coil spring details:

1. type: coil spring

2. material: high carbon steel

3. wire diameter: 3.0mm-4.1mm

5. height: 8cm-15cm

6. convolution: 4-10 turns

7. outside diameter: 8cm-13cm

8. inside diameter: 4cm-6cm

9. packing: in knitting bag, usually 200-300pcs/bag

10. delivery: 15 days after receiving deposit

11. port: shen zhen

12. payment: by T/T, L/C

Coil spring system: As the most traditional spring cushion structure, coil spring system always gains many customer's reconnition and appraise. Distribute freat quality, durability, and utility to sofa and seat.

Coil spring styling:

1. Premium high coil spring hand-tied coil system using tempered steel coil springs tied at right arrange ment for comfort and proper seat support.

2. Free design construction, hand craft is available to any imaginable shape and size of seat.

3. Installation versatility - can be installed on woven strips or sheets, or webbing, or sinuous spring etc.

Coil spring performance:

1. Close-fitting comfort-free combination create varying degrees comfortable feeling.

2. Supernormal durability - heavy gauge, big size, more convolutions spring coils provide a great steady system.

3. Stable quality - Quanli's high tempered spring technology provide consistent quality product.

If you are interested in our product, please feel free to contact us!