CNG type II gas cylinder is a kind of gas cylinder commonly used for compressed natural gas storage. It is usually made of high-quality materials with good pressure resistance and safety. The cylinders are specifically designed to store compressed natural gas, providing a stable source of fuel for vehicles powered by natural gas, for example. It has the characteristics of strong structure, moderate weight, good sealing, etc., can work reliably under various environmental conditions, and plays an important role in the field of natural gas energy applications