The high-pressure pump is a device that provides high-pressure power for high-pressure rotary spraying cement slurry. It is used for foundation strengthening and reinforcement of buildings, roads, etc. It can also be used for high-pressure water jets to assist in breaking rocks and dropping coal, supplying fluid to underground hydraulic props, pumping high-pressure water with hydraulic expansion metal anchors, and clearing, dredging and cleaning large underground pipelines.