We manufacture and supply -- Engine & Generator parts , Undercarriage parts, Buckets, long reach arm, Excavator cylinder , swing gear(Slewing bearing) , final drive (travel motor) , swing device (swing motor) , Hydraulic pump , gear pump , etc.for many international brands,eg.Komatsu,Hitachi,Kato,Caterpillar,Daewoo,Hyundai,Kobelco,Sumitomo,Volvo,Mitsubishi and etc excavators.