Refined Industrial salt 6.2 sq km exploitable underground salt area Exploitble storage of 200,000,000 tons. ISO 9001-2008 Refined Industrial salt6.2 sq km exploitable underground salt areaExploitble storage of 200,000,000 tons.Annual output of 900,000 tons refined saltISO 9001-2008 Package: 25kg, 50kg, 1mtWhite cubic crystal or crystal powder.Wildly used in soda,chilorine,NaOH,melting,leatherand ...