The EN ISO9809-1 gas cylinder is made of high-quality chromium molybdenum alloy steel. After being modulated, the product has high strength and can be used for repeatedly filling compressed gases, high and low-pressure liquefied gases, and permanent gases. The EN ISO9809-1 gas cylinder has a pressure resistance of 31.5MPa and a burst pressure of over 60MPa. Some products use cold stretching technology, which has characteristics such as lightweight and high strength. Currently certified by TPED, PED, UKCA, etc