Shanghai Pudong clear to clear the toilet drain pipe dredge 51,860,559 
 Shanghai sink to drain for drain maintenance dredging 
 To clear the sewer: High pressure drain cleaning large pipe 

 1 to clear the sewer: clear the toilet; bottles pit; floor drain; bath vanities; other sewer maintenance dredging 
 2 toilet: dredge for rags, towels, plastic, cleaning balls and other soft and hard materials caused by the blockage broke into the toilet. 
 3. Bottles of pits: a long service life, thickened alkaline urine on the pit, so that the next volume is small, slow flow, easily blocked, thus causing a variety of plug 
 4. To drain: to clear the cement, sand, hair and other debris fall into the floor drain caused by the blockage. 
 5. Bath vanities: clear all types of bathtubs, vanities, vegetables pool, including the V-bends and S-bend and other channels. 
 6. To clear the blockage of other various problems.