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Bonnell spring
1. Raw Material: high quality steel wire
2. Turns: 4 – 7 turns
3. Wire Diameter: 2.0mm – 2.5mm
4. External Diameter: 70mm – 90mm
5. Middle Diameter: 40mm – 58mm
6. Height: 140mm – 180mm
7. Main Application: Bonnell Spring Unit / Mattress Innerspring Unit / Sofa
8. Craftmanship: Anti-rust treatment and heat treatment
9. Packing: packed on wooden pallet / plastic woven bag / client’s
requirement
10.Characteristic: High Tensile / Good Elasticity



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