Most of the medical oxygen cylinders in the present market use steel gas cylinders to fill gas, which is heavy, inconvenient to move and take, and the gas in the steel cylinders often have a smell of rustiness. The aluminum alloy oxygen cylinders of our company with specifications have the advantages of low weight, simple configuration, small volum, big capacity etc. It can provide long term oxygen supply and it is easy to move and take without smell. Our aluminum alloy oxygen cylinders are applied in the everyday rescue, medical treatment, heat care and they are the ideal oxygen suppply equipments for the hospital, sanatorium and for the family nursing. They can also be used in the tour, altiplano area, sports competitions etc for the physical strength regaining and tiredness elimination.