24-hour hotline :010 -68,432,349 Ke Master Company Website: http://www.wyfgs.cn 
 Range of maintenance services: 
 Beijing, Chaoyang District, Fengtai District, Haidian District, Shijingshan District, Mentougou, the space bridge, Liuliqiao, etc. 
 1: a high-pressure cleaning difficult sewers, municipal pipelines, residential buildings, all in charge of the riser, in charge of the pipeline. 
 2: mechanical cleaning: all kinds of sewers, floor drain, toilet, vegetables pool, cleaning septic tanks, sewage wells, grease traps. 
 3: installation and maintenance: to undertake the up and down the water pipe installation and repair, toilet, water tanks, water pipes, water heaters. 
 4: ware maintenance, install toilet displacement, squat and catch the water-saving safety accessories, drain. 
 5: air-conditioning services: air conditioning, drilling, engineering drilling, air conditioning installation, transfer machines, fluorine, and repair. 
 6: engineering drilling, air conditioning, drilling, engineering drilling, drill air holes, hood hole drilling, drilling the pores of hot water, drilling Heating hole, drill the hole of rain Ba River, drilled exhaust fan holes up and down the water pipe hole size of the hole wall window to open the door opening of the duct and drilling works. There are large engineering bench drill, diamond. 
 7: large-scale operation of machinery, the shelf life of the warranty, on-call, no holidays, day and night service 
 Beijing city has points