Sodium carbonate chemical industry (production of hydrochloric acid, hypochlorous acid and other chemicals; production of fluoride and chemical fertilizers; gas absorption tower reaction liquid circulation; oil refining (sulfuric acid); waste acid recycling and regeneration system; transport of strong acids between transport vehicles.
Surface treatment aluminum oxidation treatment equipment; wire drawing, degreasing and pickling in steel rolling; degreasing, pickling and electrophoresis before vehicle painting; production of titanium oxide, rare earth elements and etc.