... KOMATSU, HITACHI, CATERPILLAR, DAEWOO, KATO, KOBELCO, HYUNDAI, VOLVO Universal joint for excavator KOMATSU, HITACHI, CATERPILLAR, DAEWOO, KATO, KOBELCO, HYUNDAI, VOLVO ... since 2003, our main product range includes hydraulic cylinder seal kit, hydraulic main pump, final drive device, swing motor, engine spare ...