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 Drain / Beijing drain company / drain / drain devices / pipeline dredge Company / Beijing clear the sewer / Beijing professional to clear the sewer / clear the sewer / professional clear the sewer / How to clear the sewer / sewer 
 Services: 
 1: a high-pressure cleaning difficult sewers, municipal pipelines, residential buildings, all in charge of the riser, in charge of the 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. 
 7: the professional pumping manure, septic tank cleaning, Qingtao septic tanks, Qingtao grease traps, Qingtao sedimentation tanks, pumping sewage wells. 

 The Haidian Fuxing Road, clear the sewer Haidian Ganjiakou clear the sewer