The company worked for research and development of motorcycle gear and automobile gear, and become a lead in manufacture mid modulus gear and small modulus gear.

Tooth profile machining of mid-concave gear with narrow run-out groove is introduced, which solves a difficult problem using traditional machining.

However, after shaved by shaving cutter with true involute profiles, there are the "mid-concave" phenomena on the pitch points of shaved gear tooth profiles inevitably.