219mm 20L 5.7mm Seamless Oxygen Gas Storage Cylinder Bottle Vessel

219mm 20L 5.7mm Seamless Oxygen Gas Storage Cylinder Bottle Vessel. Premium Material Construction: Made from premium alloy steel with advanced hot-drawing and heat treatment technology. Comprehensive Safety Testing: Each cylinder undergoes ultrasonic testing, hydrostatic test, and 100% visual inspection. Global Certification Compliance: Certified by ISO9809, EN1964, DOT-3AA, GB5099, U.S. DOT, and European TPED/PED. High-Pressure Resistance: Designed for high-pressure applications with excellent sealing performance and durability. Corrosion Resistant: Features excellent corrosion resistance ensuring a long service life in various environments. Versatile Application Fields: Suitable for chemical, electronic, food, medical, new energy, and petroleum industries. Flexible Customization Options: Offers full customization, minor customization, and customization from samples or designs. Fast Lead Time: Peak and off-peak season lead time within 15 workdays or one month.