UMA CHEM INDIA Address: P. B. No. 155, Shivam Estate, Highway, Unava-Unjha 384 170, (N.G.), India Contact Person: Manufacturer of Sodium Sulfite (Tech./Superfine/Comm.), Sodium Bi Sulphite (Tech./Pharma/Comm.), Sodium Meta Bi Sulphite (Tech./Pharma)