73089090 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 : OTHER, 73181500 under HS Code SCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL - THREADED ARTICLES : OTHER SCREWS AND BOLTS, WHETHER OR NOT WITH THEIR NUTS OR WASHERS, and 83021010 under HS Code BASE METAL MOUNTINGS, FITTINGS AND SIMILAR ARTICLES SUITABLE FOR FURNITURE, DOORS, STAIRCASES, WINDOWS, BLINDS, COACHWORK, SADDLERY, TRUNKS, CHESTS, CASKETS OR THE LIKE; BASE METAL HAT - RACKS, HAT - PEGS, BRACKETS AND SIMILAR FIXTURES; CASTORS WITH MOUNTINGS OF BASE METAL; AUTOMATIC DOOR CLOSERS OF BASE METAL - HINGES:OF STEEL. were the top exported HS Codes by FAS INTERNATIONAL in 2023.