Used in bonnell spring nets and spring mattresses
Features:
1) Many kinds available
2) Main material: top quality wire rods produced by Anshan Iron and Steel Group
3) Used in bonnell spring nets and spring mattresses
4) Main size: φ1.4 - 3.0mm
5) Top dia of spring: 70-100mm
6) Midd dia of spring:40-50mm
7) Height of spring:80-170mm
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