JC-603 18×2.50. Superior International Industrial is located in Yancheng of Jaingsu, South of China, close to shanghai very convenient for transportation. The company invested 5 million yuan to build a set of rubber mixing extrusion, cutting joints, vulcanization, automatic pneumatic cylinders and packed in one day 30,000 pieces' capacity tube production lines. The automation is in a higher degree. Our brands are HOUND JOETO SUPEREAL.