Manufacture natural rubber inner tube and butyl rubber inner tube and delivery soon, ISO9001 certificate 1. For motorcycle: 225/250 ... 18, 300/325-18, 325/350-16, 300-17, 275-14, 300-8, 350-10, 300-10, 400-12, 375-19 ... -6, 650-6, 650-8 etc. Natural rubber inner tube and butyl rubber inner tube, With high quality , We can delivery the goods1- ... and visit to us and based good business together. inner tube