Made from Germany, with stable performance, long service life, smooth and flat surface, high dimensional accuracy, and good mechanical properties.

Introducing Japanese precision punching machines and Japanese precision molds, with high chain plate accuracy, and importing German pin and coil machines, with precise and consistent part sizes.

The surface of the pin shaft.

Chain plate isothermal treatment to enhance fatigue performance.

Possess sleeve oil hole punching technology and directional assembly technology, and have corresponding national patents.

100% online automatic strengthening pre tensioning ensures that all products are strengthened, improving fatigue and wear resistance.