84213910 under HS Code CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES FILTERING OR PURIFYING MACHINERY AND APPARATUS FOR GASES: OTHER: AIR SEPARATORS TO BE EMPLOYED IN THE PROCESSING, SMELTING OR REFINING OF MINERALS, ORES OR METALS; AIR STRIPPERS, 84484990 under HS Code AUXILIARY MACHINERY FOR USE WITH MACHINES OF HEADING 8444, 8445, 8446 OR 8447 (FOR EXAMPLE, DOBBIES, JACQUARDS, AUTOMATIC STOP MOTIONS, SHUTTLE CHANGING MECHANISMS); PARTS AND ACCESSORIES SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE MACHINES OF THIS HEADING OR OF HEADING 8444, 8445, 8446 OR 8447 (FOR EXAMPLE, SPINDLES AND SPINDLE FLYERS, CARD CLOTHING, COMBS, EXTRUDING NIPPLES, SHUTTLES, HEALDS AND HEALD FRAMES, HOSIERY NEEDLES) - PARTS AND ACCESSORIES OF WEAVING MACHINES (LOOMS) OR OF THEIR AUXILIARY MACHINERY - OTHER: OTHER, and 84148020 under HS Code AIR OR VACUUM PUMPS, AIR OR OTHER GAS COMPRESSORS AND FANS; VENTILATING OR RECYCLING HOODS INCORPORATING A FAN, WHETHER OR NOT FITTED WITH FILTERS - OTHER: FREE PISTON GENERATORS FOR GAS TURBINE were the top imported HS Codes by J SONS INDUSTRIES in 2021.