29173500 under HS Code POLYCARBOXYLIC ACIDS, THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES - AROMATIC POLYCARBOXYLIC ACIDS, THEIR ANHYDRIDES, HALIDES, PEROXIDES, PEROXYACIDS AND THEIR DERIVATIVES :PHTHALIC ANHYDRIDE were the top exported HS Codes by PACHEM GLOBAL PRIVATE LIMITED in 2021.