PP-R / PP / PE plastic pipe production line: suitable for the production of random copolymer polypropylene (PP-R) pipes. PP-R pipe as a new type of green environmental protection pipe, has the characteristics of sanitation, non-toxic, non-corrosive, non-scaling, long life at high temperature and high pressure resistance. It is widely used in domestic sanitary drinking water supply and hot water heating systems in industrial and civil buildings. It is an upgraded product that replaces copper pipes and galvanized steel pipes and aluminum-plastic pipes. This unit can produce PVC, PE, PP pipes with corresponding changes.