741110100000 under HS Code Others, 730830000019 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 - DOORS, WINDOWS AND THEIR FRAMES AND THRESHOLDS FOR DOORS, and 851590809019 under HS Code Others were the top imported HS Codes by R1 ENDÜSTRIYEL ROBOT OTOMASYON YAZILIM ITHALAT IHRACAT SANAYI VE TICARET LIMITED SIRKETI in 2021.