... 4, the pressure continued 5, structural non-destructive Name:Item 512 High-pressure One-component Injection Pump, Grouting pumpInjection pump 1 ... is good, no noise, no pollution 2, portable: small size, light weight, easy to carry, easy to operate 3, high efficiency ... and easy maintenance, strong and durable, easy to clean. Item 512 High-pressure One-component Injection Pump, Grouting pump