1.With Self intellectual property rights.
2.Multi-point supporting,low fault rate.
3.With double pawl,increase the safety factor in 2 times.
4.All nuts in anti-slip nuts.
5.Thick cover with the convex rib process,protect the inside parts effectively.
6.Hand chain cover is in unique curled edge to prevent the noise and seizure.
7.Integral gear increases the service ilfe.
8.With CE approved.
