R. K. INDUSTRIES AHMEDABAD Address: 3411/1, Phase-IV, G.I.D.C. Estate, Vatva, Ahmedabad-382 445, Gujarat, India, Other Add : Bipinkumar & Brothers, 203, Matruchhaya, 378/80, Narshi Natha Street, Mumbai-400 009, Maharashtra, India Contact Person: Manufacturer of Aniline 2:4 Di-Sulphonic Acid, O.T.4.S.A., O.T.5.S.A., Bronner's Acid, Acetyl Bronner's Acid, Sulphanilic Acid