Song Xin oxygen-making machine is an oxygen-making machine which uses pressure swing adsorption principle, takes air as raw material, and does not need any additives. Very good, it has a good appearance design, and the design is novel and fashionable. It uses high-temperature resistant materials to reduce the burning of the circuit, and its performance is still very good. It will not cause any big problems for a long time, and more importantly, it is affordable and cost-effective.