Brief: .Pressure Swing Adsorption (PSA) Technology: This technology uses air as the raw material and carbon molecular sieve as the adsorbent. Based on the principle of pressure swing adsorption, it leverages the difference in adsorption selectivity of carbon molecular sieve for oxygen and nitrogen. Under a certain pressure, the carbon molecular sieve preferentially adsorbs oxygen, allowing nitrogen to pass through—thus achieving oxygen-nitrogen separation and producing nitrogen.