| 出生地 |
Guangdong China (Mainland) |
| 牌子的名字 |
Dong Mu |
| 模式的数量 |
various models |
| 风格 |
线圈 |
| 负荷类型 |
挤压 |
| 材料 |
钢铁 |
Dong Mu extension spring, no deformation of length, no damage of surface, long life-span. It can achieve high stress resistance, high speed amplitude, and be heat resistance. Such as: model:TY21×60 outter dia.:21.0mm inner dia.:13.0mm