84219900 under HS Code CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES - PARTS: OTHER, 84211930 under HS Code CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES - CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS:- OTHER: CONTINUOUS AUTOMATIC CENTRIFUGES, and 73041190 under HS Code TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF IRON (OTHER THAN CAST IRON) OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES : -- OF STAINLESS STEEL: --- OTHER. were the top exported HS Codes by FERRUM TECHNOLOGIES INDIA PRIVATE LIMITED in 2023.