Gas Cylinder, Frequency Converter, Valve manufacturer / supplier in China, offering Carbon Fiber Bottle 300bar 0.48L 0.8L Carbon Fiber Air Bottle Carbon Fiber CO2 Bottle, Ultralight Carbon Fiber Cylinder Paintball Tank Carbon Fiber Wrapped Cylinders 200 Bar, 6.8L Carbon Fiber Cylinder 4500psi 300bar High Pressure Carbon Fiber Composite Gas Cylinder and so on.