6.2sq km exploitable underground salt area exploitble storage of 200000000 tons Salt, Refined salt, PDV salt ISO 9001-2008 ... sq km exploitable underground salt areaExploitble storage of 200,000,000 tons.Annual output of 900,000 tons refined saltISO 9001-2008 ... +,(%)<=0.250.40(SO4)2-,(%)<=0.300.50 PDV Salt,rock salt,industrial grade,Nacl,99.1%min