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He is using Sulfo J Acid - 6535-70-2 Gery Color Powder acid/3-Amino-8-Naphthol-6-Sulfonic acid(J acid) - 87-02-5 N – METHYL GAMMA ACID Qty-10 MT To 15 MT permonth. They are importing from China(Jacid 90%)(Sabarmati Icd,Nhavaseva)