QJM Sphere Piston Hydraulic Motors that can constitute a hydraulic actuator with different oil pumps, valves and hydraulic parts ,it is able to adapt itself to all kinds of working conditions by reason of some measures taken to its design.

The motor has many advantages, e.g. light weight, small size, wide speed regulating range, capable of stepping variation, reliable performance and long useful life, etc. It has been widely applied for mine engineering, hoisting transport, metallurgy, ships, machine tools, plastics processing and geological prospecting, ect.