84145910 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 - FANS : OTHER: AIR CIRCULATOR, 84145990 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 - FANS : 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 E COOL INTERNATIONAL LIMITED in 2021.