Tianjin Tongjie Sci & Tech Development Co., Ltd. is a professional manufucturer of high pressure pump and high pressure water cleaning machine up to 280Mpa(40 kpsi). We take up majority of Chinese market share and is highly evaluated by our fast and honest after sale service. We are a member of Water Jet Technology Association (WJTA),USA - the world professional association and our products are with CE certificate, European standard in 2011. Our products have a wide range of applications, such as surface preparation, tank, boiler, tube, pipe, heat exchanger, and ship cleaning, concrete...