The production line adopts unique mold and sizing sleeve design, which can produce PVC solid pipe continuously and stably. PVC pipe has the features of strong corrosion resistance, easy adhesion, low price and hard texture. However, due to PVC-U monomer and additive bleed, it is only suitable for supplying water that the temperature not exceeding 45 ℃. PVC pipe is widely used in water drainage, sewage water, chemicals, heating fluids and coolants, food, ultra-pure liquids, mud, gas, compressed air and vacuun m systems.