Drain / Beijing pipeline dredge company / pipeline dredge machine / pipeline dredge equipment / pipeline dredge company / Beijing to clear the sewer / Beijing professional clear Sewer / clear the sewer / Professional dredge sewer / How to clear the sewer / sewer dredge Services: 1: Professional pumping manure, septic tank cleaning, Qingtao septic tanks, grease traps Qingtao, Qingtao sedimentation tanks, pumping water wells 2: High pressure cleaning difficult sewers, municipal pipelines, residential buildings, all in charge of the riser, head of the pipeline. 3: to clear the toilet because cloth towels plastic cleaning ball burst into soft and hard materials such as caused by the blockage. 4: to clear the pipeline due to years of using the toilet so that the diameter of the urine alkaline thickening thinning caused by the blockage. 5: to clear the drain due to cement sand hair and other debris fall into the drain caused by the blockage. 6: clear all types of bath surface poon choi pool includes V-bends and S-bends and other channels. 7: Install toilet ware maintenance shift change sit squatting drain water safety accessories