We are an enterprise which specializes in studying and manufacturing various chain wheels and cranks. The annual production capability is more than 680 million sets.

Our main products are A/B type round hold (with D type square hole / electrically powered vehicle) cranks and aluminum alloy units.

Crank specification: 89mm/102mm/114mm/127mm/140mm/152mm/165mm/170mm
Multi-speed units include one, double, triple, fourfold, middling and senior index-shifts.

A variety of finishing includes plastic / chrome plating, E black painting, and Silver Painting. We adopt international standards to organize production. We have a complete set of tests. We spare no pains to explore new products to satisfy the needs of our customers. We can process goods according to the pictures or samples of customers. We will do our best to distribute our excellent products to our customers. [Details]