Coil spring use in sofa seat

• wire diameter: from 3.0mm to 4.1mm
• height: from 8cm to 15cm
• inside diameter: 4cm to 6cm
• outside diameter: 8cm to 13cm
• convolution: 4-11 turns
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• packing: in knitting bag, usual 200pcs to 300pcs per bag
• delivery: 15 days after receiving deposit
• terms: FOB, CIF, EXW

We are Quan Yi Spring Hardware Co. Ltd. in China, we specializing in manufacturing and exporting sofa spring in 11 years, including sofa zigzag spring(roll zigzag spring, round zigzag spring, functional zigzag spring, flat zigzag spring, curve zigzag spring, super loop zigzag spring), coil spring, pocket spring and many sofa accessories.

If you are interested in our products, please feel free to contact us.