401699000000 under HS Code Others, 400942000000 under HS Code TUBES, PIPES AND HOSES, OF VULCANISED RUBBER OTHER THAN HARD RUBBER, WITH OR WITHOUT THEIR FITTINGS (FOR EXAMPLE, JOINTS, ELBOWS, FLANGES) - REINFORCED OR OTHERWISE COMBINED WITH OTHER MATERIALS : WITH FITTINGS, and 870840000000 under HS Code PARTS AND ACCESSORIES OF THE MOTOR VEHICLES OF HEADINGS 8701 TO 8705 - GEAR BOXES AND PARTS THEREOF were the top imported HS Codes by HIGH UNION MACHINERY CO LIMITED in 2023.