Manufacturer of various of inner tubes and flaps over 20 years. Inner tubes are made from an impermeable materials such as soft, elastic synthetic rubber, to prevent air leakage. The inner tubes are inserted into the tire and inflated to retain air pressure. Mainly use for ATV, car, light truck, heavy truck, OTR, AGR, etc. As our flagship product, our inner tubes are exported to around 140 countries around the world.