Our cng cylinder is produced according to ISO11493 (E) standard. For its advantages of cleanliness and energy economizing, carbon fiber cng cylinder is more and more acceptable for customers from many regions and countries. With the high-quality and top-ranking service, our products have obtained good reputation. In the future, we will spare no effort making our carbon fiber cng cylinderto be worldwide well-known brand depending on the favor of new and old clients and the cooperation with each other.welcome to choose our cng cylinder.