... 4. ISO9001:2000,3C YBHMP120B High-pressure Mud Pump is made by using Japanese technique of high- ... advanced level of productions of same class. The pump is used in high pressure engineering as base ... or improvement of feeble foundation.1.Peculiarity of the pump(1) With simple structure, easily to maintain, ... speed-adjustable electrical motor, the displacement of the pump is easy to change by turn the knob ...