1. Metallurgical industry: used for rare earth metal precipitation separation, etc.
2. Pharmaceutical industry: used in tetracycline, oxytetracycline, phenobarbital, ice chips, etc.
3. Printing and dyeing industry: printing and dyeing reducing agent, textile bleaching agent, used to replace acetic acid, color development dyeing aid for fast pigment group dyes.
4. Industry: used for marble polishing, rust removal, bleaching, descaling, leather, wood, aluminum products, etc.
5. Electronic industry: for the preparation of ceramic capacitor chemical raw materials, the preparation of electronic equipment cleaning liquid.
6. Organic synthesis: used for 2133 resin, electric jade powder, cis-butadiene catalyst, etc.
7. Other aspects: analytical reagents, chemical raw materials.