Seamless steel gas Cylinder Jindun high-pressure seamless steel gas cylinders are mobile high-pressure vessels . The product is manufactured with the most advanced technology , machinery and equipment in the word . It is ideal for holding permanent gases and high pressure liquefied gas of oxygen , hydrogen , argon and carbon dioxide . The major part of the gas cylinder is made of high-quality alloy steel material . The product is widely applied in chemical , metallurgical , mechanical , medical , scientific research and building industries We can Provide ISO9809 Standard Steel Cylinder ,DOT-3AA Standard Steel CylinderEN1964 Standard Steel Cylinder and GB5099 Seamless Steel Gas Cylinder