... Annual output of 800,000tons refined salt We own 6.2 sq km exploitable underground salt area, storage of 200,000,000 ... tons Annual output of 800,000tons refined salt ISO 9001-2008. 2. Packaging Specification: 25Kg, 50Kg, 750Kg and ... 1Mt. 3. Index of industrial production Purified Industrial (usage) Salt Index ItemSuper GradeA GradeNaCl(%)99.1%min98.5%minMoisture (%)0 ...