I believe that everyone is not unfamiliar with PCV (vinyl chloride), especially rigid PVC. It can be said that this is the... moreI believe that everyone is not unfamiliar with PCV (vinyl chloride), especially rigid PVC. It can be said that this is the most common material in the plastics processing industry, and it is mainly used for pipe fittings. The high quality PVC pipe fittings produced by China mould makers have been favored and loved by customers all over the world.