At present, medical oxygen supply devices in the market mostly use steel gas cylinders to fill oxygen, which is not only heavy and affects handling and carrying, but also prone to the odor of rusting. Our company produces various specifications of aluminum alloy oxygen supply devices that are lightweight, simple in structure, advanced in technology, small in size, large in capacity, long in oxygen supply time, odorless in gas, and easy to carry. Suitable for daily first aid, medical treatment, and health care, it is an ideal oxygen supply equipment for hospitals, sanatoriums, and home care. It can also be used for tourism, plateau, sports competitions, and other aspects to restore physical strength and reduce fatigue.