Add: ZhangJiaDi Village, WangQingTuo Town, WuQing District, TianJin, China
General manager: Miss.Carry
There are two kinds of brakes: (1) concave brakes. The brake is safe and reliable, but it is laborious. After adjustment, it can also brake on the slope. If transferred to level 1, it can not be stopped on flat ground. (2) elbow joint type brakes. By using the lever principle, after several joints and then braking, the mechanical advantage is stronger than the concave type brake, but the failure is faster.