1. Heat treament:carburizing and quenching

2. Surface disposal:forced shot-peening

3. Advantage:introduced the high technology from Switzerland

and produce the first rank-highest     quality truck gear in China.

4. All kinds of  gears,welded axle and synchronizer assembly for 11509C fuller/fast sub-gearbox are  available for us.

5. we can provide samples .

6.Excellent quality and competitive price.