Lining PE, PO anticorrosion straight pipe .Widely used in chemical industry, metallurgy, food, medicine and other ... anti-corrosion material. Thus, lined with its equipment, pipes and pipe fittings can withstand vacuum, vacuum up-0.092Mpa. At the ... contraction and elongation, thereby Roller Coating PO equipment, pipes and pipe fittings will not damage arising from contraction and expansion, ensuring ...