GPB-90 high pressure rotary jet slurry pump is widely used now as a power equipment for slurry injection. This pump can be used reinforcement for new building, highway, high-speed railway, underground railway, and other soft ground. Also it can be applied to repair uneven settlement of old buildings, anti-seepage curtains for reservoir dams and underground buildings, retain cofferdam, mine leakage plugging, shaft wall protection, slope anchorage, etc. It can also be used in high pressure water jet assisted rock breaking and coal falling, liquid supply for underground hydraulic props, anchorage water expansion metal bolt pumping high-pressure water, underground large pipe cleaning, chemical pumps, high-pressure water jet perforation or other areas requiring high-pressure liquid as power.