73051129 under HS Code OTHER TUBES AND PIPES (FOR EXAMPLE, WELDED, RIVETED OR SIMILARLY CLOSED), HAVING CIRCULAR CROSS-SECTIONS, THE EXTERNAL DIAMETER OF WHICH EXCEEDS 406.4 MM, OF IRON OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES : NON-GALVANISED PIPES : OTHER and 73061100 under HS Code OTHER TUBES, PIPES AND HOLLOW PROFILES (FOR EXAMPLE, OPEN SEAM OR WELDED, RIVETED OR SIMILARLY CLOSED), OF IRON OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINE -- WELDED, OF STAILESS STEEL were the top exported HS Codes by UNI TECH INDUSTRIES in 2024.