481710000000 under HS Code ENVELOPES, LETTER CARDS, PLAIN POSTCARDS AND CORRESPONDENCE CARDS, OF PAPER OR PAPERBOARD; BOXES, POUCHES, WALLETS AND WRITING COMPENDIUMS, OF PAPER OR PAPERBOARD, CONTAINING AN ASSORTMENT OF PAPER STATIONERY - ENVELOPES, 854520000000 under HS Code CARBON ELECTRODES, CARBON BRUSHES, LAMP CARBONS, BATTERY CARBONS AND OTHER ARTICLES OF GRAPHITE OR OTHER CARBON, WITH OR WITHOUT METAL, OF A KIND USED FOR ELECTRICAL PURPOSES BRUSHES, and 482090000000 under HS Code Others were the top imported HS Codes by YOLENNE MUAYUMA in 2021.