A best Chinese supplier of most complete line in hydraulic field, United Hydraulics devotes itself to the researching, manufacturing and exporting of vane pumps, gear pumps, motors, hydraulic valves, hydraulic cylinders, accumulators and hydraulic systems. It also provides OEM replacements for Vickers vane pumps, Komatsu gear pumps, Caterpillar gear pumps and Yuken, Vickers & Rexroth valves.