Double patch nail using adjustable of high-strength stopper resilient structure can effectively stop hanging wheel or separation from the stopper. Strong crash resistance and better durability.

板式和夹式双重挂片，限位器采用可调式高强度弹性限位结构，能有效地实现吊轮限位器与吊轮主体间的结合与分离，防撞力大，耐用性更好。

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Double patch nail using adjustable of high-strength stopper resilient structure can effectively stop hanging wheel or separation from the stopper. Strong crash resistance and better durability.

板式和夹式双重挂片，限位器采用可调式高强度弹性限位结构，能有效地实现吊轮限位器与吊轮主体间的结合与分离，防撞力大，耐用性更好。

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