PVC pipe drain pipe is sanitary grade polyvinyl chloride (PVC) resin as the main raw material, adding an appropriate amount of stabilizer, lubricant, filler, color enhancer and other plastic extruder extrusion molding and injection molding machine injection molding, through cooling, curing, shaping, inspection, packaging and other processes to complete the production of pipes and fittings.

The conventional specifications of the commonly used PVC pipe drainage pipe are as follows: nominal outer diameter are :32mm, 40mm, 50mm, 75mm, 90mm, 110mm, 125mm, 160mm, 180,200 mm, 250mm, 315mm, 400mm, 500mm, The length of PVC-U pipes such as 630mm is generally 4m or 6m, and other lengths are determined by negotiation between the supply and demand parties.