8484200000 under HS Code GASKETS AND SIMILAR JOINTS OF METAL SHEETING COMBINED WITH OTHER MATERIAL OR OF TWO OR MORE LAYERS OF METAL; SETS OR ASSORTMENTS OF GASKETS AND SIMILAR JOINTS, DISSIMILAR IN COMPOSITION, PUT UP IN POUCHES, ENVELOPES OR SIMILAR PACKINGS; MECHANICAL SEALS - MECHANICAL SEALS, 8413910008 under HS Code Others, and 3920992100 under HS Code OTHER PLATES, SHEETS, FILM, FOIL AND STRIP, OF PLASTICS, NON - CELLULAR AND NOT REINFORCED, LAMINATED, SUPPORTED OR SIMILARLY COMBINED WITH OTHER MATERIALS - OF OTHER PLASTICS: FILM, SHEETS, STRIP OF VINYL PLASTICS : RIGID, PLAIN were the top imported HS Codes by REMELEKTROPROMNEFT LLC in 2021.