Inner Tube, Tyre Flap, Tire manufacturer / supplier in China, offering Nano Puncture-Proof Inner Tube 16× 3.0 for E-Bikes - Self-Sealing Tech, Lifetime Leak Protection, Recyclable Inner Tube 750-18 Eco Butyl Rubber Zero Pollution, African Customized Inner Tube 750-18 Super Wear Resistance and so on.