Fluorine-lined pumps are widely used in the transportation of corrosive media in chemical production, the treatment and acid addition of chlorine wastewater in ion-exchange membrane caustic soda projects, the transportation of electrolyte in Non-ferrous metal smelting, and the acid washing process in automobile manufacturing, and pharmaceutical, petroleum, electroplating, dyes, pesticides, paper, food and other industries, long-term transport of any concentration of sulfuric acid, hydrochloric acid, hydrofluoric acid, nitric acid, aqua regia, strong alkali, strong oxidant and other strong corrosive media at the temperature of -20 ° C ~ 180 ° C without any damage.