Gas Cylinder, Frequency Converter, Valve manufacturer / supplier in China, offering Factory Sale 0.7L Carbon Fiber Cylinder 0.6 Liter Carbon Fiber Gas Cylinder ISO Carbon Fiber Wrapped Cylinders, CE Customize Label 9L 2L Carbon Fiber Air Tank Pcp Cylinder 6.8L Carbon Fiber Tank Pcp Air Tank Valve, CE DOT Certified High Pressure Pcp Fill Tank OEM Pcp Diving Air Tank Pcp Air Tank Carbon 300bar 3L and so on.