1. It is extensively used in oil field industry as drilling fluid with excellent performance;
2. As the camouflage acid in the leather industry; 　
3. As reducing agent in print and dyeing industry; 　
4. As road snow-dissolved agent, early strength agent of cement paste, and in carbon black manufacture, mining, electroplating and other industries.
Transportation and storage: 
Pay attention to rain, sun light during transportation, separate with acids and oxidation materials. Avoid hand hook and rough handling when carrying. The product should be tested again according to this standard if the storage period is more than one year since the production date.1. It is extensively used in oil field industry as drilling fluid with excellent performance;