Shanghai Fengxian District sewage drain, (a) residential areas, schools, hospitals, hotels, factories, underground piping system sludge zone booty cleanup; (2) residential areas, schools, hospitals, factories, septic zone pools, cesspools, hotel pools of oil cleanup. Second, the pipeline cleaning: (a) cleaning because animal fats, manure and other viscous material, silt and garbage clogging municipal inflow conduit; (2) clean hotel, hotel kitchens including smoke pipes, exhaust hood, hydrovent, fan hood system; Third, pipeline dredge: (1) municipal pipes: with large machinery, dredge the main channel, municipal sewer pipes and other large; (2) Industrial Piping: Factory Sheung Shui, water pipes, vessels pipes dredging, cleaning and maintenance services; (3) bath vanities: clear all types of bathtubs, vanities, vegetables pool, including the V-bends and S-bend pipe; (4) toilet to drain: dredge for rags, towels, rags, cleaning ball hard and soft goods caused by the blockage