... .2 sq km exploitable underground salt areaExploitble storage of 200,000,000 tons.Annual output of 900,000 tons refined saltISO 9001-2008Package ... .Wildly used in soda,chilorine,NaOH,melting,leatherand so on.Specification: white ≥85.4Size % ≥0.15∼0.85mm92Nacl≥99.14Water ≤0 ...