84021100 under HS Code STEAM OR OTHER VAPOUR GENERATING BOILERS (OTHER THAN CENTRAL HEATING HOT WATER BOILERS CAPABLE ALSO OF PRODUCING LOW PRESSURE STEAM); SUPERHEATED WATER BOILERS - STEAM OR OTHER VAPOUR GENERATING BOILERS: WATERTUBE BOILERS WITH A STEAM PRODUCTION EXCEEDING 45 T PER HOUR, 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, and 84069000 under HS Code STEAM TURBINES AND OTHER VAPOUR TURBINES - PARTS. were the top exported HS Codes by BHANDARI FOILS AND TUBES LIMITED in 2021.