... 512 High-pressure One-component Injection Pump, Grouting pumpInjection pump 1 pieceMaterial Cup:1 pieceHigh pressure ... a direct line installed near the mouth of grouting grouting, non-tick slot, not pipe, structural ... multi-functional: a multifunctional computer, and plugging grouting, cracks, grouting reinforcement. 10, durable: the maximum pressure ... pressure One-component Injection Pump, Grouting pump