Polypropylene lining is the uniform lining of polypropylene PP resin or polypropylene PP sheet on metal containers using special processing methods such as hydraulic technology, isobaric molding technology, hot pressing welding technology, and bonding technology. Product varieties and uses of polypropylene lining products include polypropylene PP reactors, tanks, tanks, pumps, valves, straight pipes, bent pipes, tees, tees, compensators, corrugated pipes, etc. Polypropylene lining products are widely used in chemical anti-corrosion fields such as strong acid, strong alkali, high temperature, high pressure, and negative pressure. Sichuan Yongtong Machinery Factory has many years of experience in polypropylene lining and reactor manufacturing.