1. Food industry: fruit juice drinks, various alcohol and sugar foods, starch, soy sauce, etc
2. Chemical industry: fuel pigment, caustic soda, soda ash, chlor-alkali salt, bleaching powder, phosphor, potassium chlorate, potassium sulfate, ferrous sulfate, iron hydroxide, water purification agent, aluminum sulfate, polyaluminum chloride
3. Pharmaceutical industry: erythromycin, spiramycin, tetracycline, oxytetracycline, inositol, organophosphorus, saccharifying alcohol, etc
4. Metal industry: molybdenum, iron, zinc, copper, silver, gold, etc
5. Sewage treatment industry: liquid-solid separation of papermaking sewage, chemical sewage, smelting sewage, printing and dyeing sewage, pharmaceutical sewage, etc