The production line is used to produce PP-R, PERT, PP-R reinforcement, PP-R multilayer, silicon core pipe production line. PP-R pipe has the advantages of non-toxic, sanitary, heat-resistant, good thermal insulation performance, simple and convenient pipe welding process, and can be recycled. Pert does not need crosslinking process on the basis of PEX, but it is recyclable, easy to process and has better heat stability. Silicon core pipe is mainly used for laying cable and protecting sleeve of optical cable in highway network communication engineering.