7304291009 under HS Code TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF IRON (OTHER THAN CAST IRON) OR STEEL - CASING, TUBING AND DRILL PIPE, OF A KIND USED IN DRILLING FOR OIL OR GAS: -- OTHER --- OF IRON, 7325999009 under HS Code Others, and 7326909807 under HS Code Others were the top imported HS Codes by LUKOIL NIZHNEVOLZHSKNEFT LLC in 2021.