CNG Comnposite Cylinder with Steel Liner(hoop-wrapped) for Vehicle manufactured by our company fulfills the design and manufacturing requirements of ISO11439: 2000 Gas Cylinders--High pressure cylinders for the on-board storage of natural gas a fuel for automotive vehicles. Our products are designed for buses, cars and for a wide range of various Natural Gas Vehicle applications with good low temperature toughness, fatigue resistance, low weight, high safety, and etc. Our products have various specifications and types. The water capacities of cylinders include 40L45L50L55L60L65L70L80L90L100L110L120L and other specifications.