SIMI CHEMICALS Address: C-1 702/8, 40 Shed Area, Opp : Vijay Pump, GIDC, Vapi-396 195, Dist. Valsad, Gujarat, India Contact Person: Manufacturer of Sodium Thio Sulphate, Magnesium Sulphate (Crystal & Anhydrous), Ferrous Sulphate (Anhydrous)