84798939 under HS Code Others, 73044900 under HS Code TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF IRON (OTHER THAN CAST IRON) OR STEEL - OTHER, OF CIRCULAR CROSS-SECTION, OF STAILESS STEEL: -- OTHER, and 73041900 under HS Code Others were the top imported HS Codes by ULTIMATE BIOTECH CO LTD CANADA INC in 2021.