... 100- Name:Item 500 One-component High-pressure Concrete Injection Pump, Waterproof injection PumpStandard Configuration:Injection pump 1 pieceMaterial ... work pressure. Advanced industrial, labor-saving, time-saving and high efficiency. 4, Security: technical, reliable, reasonable structure, use ... , easy to clean. Item 500 One-component High-pressure Concrete Injection Pump, Waterproof injection Pump