NEW COALTAR CHEMICAL MFG. CO. Plot No. 438, GIDC Estate, Odhav, Ahmedabad-382 415, Gujarat, India Manufacturer of Metaphenylenediamine-4-Sulphonic Acid, Free Acid (MPDSA, FA), Metaphenylenediamine-4-Sulphonic Acid, Sodium Salt(MPDSA,SS), Meta Phenylene Diamine ... Contact Person: Mr. Gaurang N. Shah, Mr. Samir Send Inquiry