Shanghai Hongfa Cleaning Services Ltd ,021 pipeline dredge Master Xu 13,524,961,191 -54,665,711 
 First, clean up Shanghai Shanghai pumping manure and septic tanks, high pressure cleaning pipes Shanghai, Shanghai pipeline dredge, dredge the sewer Shanghai, Shanghai, sewer cleaning, pipeline cleaning Shanghai, the Shanghai municipal sewer cleaning, construction waste removal, septic tank cleaning, chemical Qingtao septic tanks, grease trap cleaning, pumping manure. Dongfeng Company with the liberation of 4.5 tons pumping trucks, 130 pumping car, 1041 model sanitation team, specializing in Qingtao septic tanks, grease traps clear at the end, water wells , basement sewage pools and other regular care, cleaning, removal, cleaning services. Septic tanks can be mechanical extraction, artificial Qingtao, maintenance and reconstruction and thorough "clean end" (pool of all dirt). 
 Second, high pressure cleaning 
 Companies with large and small high-pressure cleaning cars, professional cleaning unblock sewer. Solve because the oil blocks, sand and other reasons caused by the blockage. 
 Third, clear the pipes, sewer 
 1 toilet: toilet to clear the various models, because of cloth, clean the ball, plastic and other soft and hard materials caused by congestion. 
 (2) Drain: unblock the drain, 
 3. Goblet pit: pit harvest because goblet long, thick pipe elbow produce alkaline urine, resulting in slower water goblet pit, easy to block. 
 4 Head: Head with large and small mechanical and pressure washers, professional unblock the main channel. 
 4, pipeline installation and maintenance 
 1 Sheung Shui installation: carry plastic pipe, galvanized pipe, stainless steel, Sheung Shui, installation and replacement, repair leaking valve. 
 2 water installation: to undertake installation of PVC pipe, cast iron pipe, cement pipe sewer and water reconstruction projects such as the first floor of the independent 
 3 toilet, basin installation: Installation of various types to undertake toilet, basin, tank pit to change seats and repair leaks, replace the water tank