CNG cylinder Type 1: OD: 232/279/325/356/406mm Water Capacity: 20-150L WP: 200Bar,TP: 300Bar Standard:ISO11439-2000 Our company is a professional enterprise in cylinder field for more than 15 years.We specializes in manufacturing and exporting gas cylinders and its related products,such as CNG cylinders (Type 1 & Type 2),CNG Kits, seamless steel gas cylinders,high purity gas,liquid gas,valves,CNG ...