4009210000 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 ONLY WITH METAL : WITHOUT FITTINGS, 4009410000 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 : WITHOUT FITTINGS, and 4009310000 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 ONLY WITH TEXTILE MATERIALS : WITHOUT FITTINGS were the top imported HS Codes by REZINOTEKHNIKA CJSC in 2021.