YHP high-pressure gear pump is a kind of new pump which invented by our company. Its maximal pressure can up to 25 MPa. It has the characteristics of high efficiency, good quality of enduring impact, low noise, high ability of anti-pollution, small volume, light in weight and long service life. It is suitable for kinds of hydraulic engineering machinery which need the condition of producing pressure by the oil, especially loaders, rollers , cranes and marine engineering.