730810000000 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 - BRIDGES AND BRIDGE-SECTIONS, 392530000019 under HS Code BUILDERS WARE OF PLASTICS, NOT ELSEWHERE SPECIFIED OR INCLUDED - SHUTTERS, BLINDS (INCLUDING VENETIAN BLINDS) AND SIMILAR ARTICLES AND PARTS THEREOF, and 392290009019 under HS Code BATHS, SHOWER - BATHS, SINKS, WASH - BASINS, BIDETS, LAVATORY PANS, SEATS AND COVERS, FLUSHING CISTERNS AND SIMILAR SANITARY WARE, OF PLASTICS - OTHER. were the top exported HS Codes by UZMAN PVC DOGRAMA PENCERE SISTEMLERI ALÜMINYUM METAL INSAAT SANAYI VE TICARET LIMITED SIRKETI in 2021.