Water leakage through crack or joints in concrete has always been a big problem in the construction industries. There are many chemical grouts and epoxies in the market, and the materials can simply inject into the crack or manhole by grease gun or pressure pump injection machine. Injectiontech international., Ltd is here to provide you a wide range of chemical grouts, injection equipment and accessories. Wish we can help you in the nearly future and if there is any further question. Please don't hesitate to contact with us.