... price 3,factory supply 4,ISO2000,CCC bicycle inner tube for sale 1,various size tube 2,competitive price 3,factory supply ... 4,ISO2000,CCCbicycle inner tube for sale Information about the products:1,Rubber content;10%,20%,30 ... factory,suppling factory price.4,Accept OEM5,Certificate: ISO2000,CCC6, Long-time production and export experience, our main export market: Asia ...