40091200 under HS Code TUBES, PIPES AND HOSES, OF VULCANISED RUBBER OTHER THAN HARD RUBBER, WITH OR WITHOUT THEIR FITTINGS (FOR EXAMPLE, JOINTS, ELBOWS, FLANGES) - NOT REINFORCED OR OTHERWISE COMBINED WITH OTHER MATERIALS : WITH FITTINGS and 83079000 under HS Code FLEXIBLE TUBING OF BASE METAL, WITH OR WITHOUT FITTINGS OF OTHER BASE METAL were the top exported HS Codes by PRIME HYDRAULIC AND ENGINGINEERS in 2021.