73089020 under HS Code STRUCTURES (EXCLUDING PREFABRICATED BUILDINGS OF HEADING 9406) AND PARTS OF STRUCTURES (FOR EXAMPLE, BRIDGES AND BRIDGE-SECTIONS, LOCK-GATES, TOWERS, LATTICE MASTS, ROOFS, ROOFING FRAME-WORKS, DOORS AND WINDOWS AND THEIR FRAMES AND THRESHOLDS FOR DOORS, SHUTTERS, BALUSTRADES, PILLARS AND COLUMNS), OF IRON OR STEEL; PLATES, RODS, ANGLES, SHAPES, SECTIONS, TUBES AND THE LIKE, PREPARED FOR USE IN STRUCTURES, OF IRON OR STEEL - OTHER : DROP RODS, 39204900 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 POLYMERS OF VINYL CHLORIDE:OTHER, and 39181090 under HS Code FLOOR COVERINGS OF PLASTICS, WHETHER OR NOT SELF - ADHESIVE, IN ROLLS OR IN THE FORM OF TILES; WALL OR CEILING COVERINGS OF PLASTICS, AS DEFINED IN NOTE 9 TO THIS CHAPTER - OF POLYMERS OF VINYL CHLORIDE :OTHER were the top imported HS Codes by COMPANY LIMITED TAN HIEP THANH in 2021.