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 The high-pressure cleaning difficult sewers, municipal pipelines, residential buildings, all in charge of the riser, in charge of pipeline. 2: to clear the toilet rushed into the cloth towel and plastic cleaning balls and other soft and hard materials caused by congestion. 3: to clear the blockage caused by years of using the toilet pipes urine alkaline thickened so that the diameter thinning. 4: to clear the drain caused by the blockage of cement sand, hair and other debris fall into the floor drain. 5: clear all types of bathtub surface poon choi pool, including the various channels of the V-shaped bends and S bends. 6: ware maintenance and installation toilet displacement squat and catch the water-saving safety accessories pipe dredge. We experience good high technology equipment to work clean, reasonable price and quality and quantity of warranty, contract with the property, units, companies, communities, schools, restaurants, personal and long-term concessions. This advertisement is an effective long-term on call, no holidays, the whole city services