产品原料：

丝原料的加工工艺是非常重要的，特别是对钢丝原料的拉拔和淬火处理，我们的原料供应商根据严格的生产工艺和标准流程特别是稳定的加热淬火，来确保钢丝好的耐磨性和韧性.

THE RAW MATERIAL OF WIRE

It’s important for us to provide high wear resistance and toughness according to the strict production process especially in the drawing process and hardening treatment。

WIRE DRAWING

HARDENING TREATMENT

FINISHED WIRE

碳素弹簧钢丝
CARBON SPRING STEEL WIRE
执行标准（Standard）: GB4357-89
力学性能 Mechanical property