is a professional manufacturer integrating R & D, design, production and sales of gas equipment, as well as providing technical consulting and services for various non-standard gas equipment. The company's leading products include pressure swing adsorption (PSA) oxygen production, vacuum desorption (VPSA) oxygen production, vacuum desorption (VSA) oxygen production, oxygen and other gas purification devices Pressure swing adsorption (PSA) nitrogen production, membrane separation (hollow fiber) nitrogen production, liquid ammonia decomposition hydrogen production, pressure swing adsorption hydrogen production, methanol cracking hydrogen production, protective gas station system engineering, gas recovery and purification system engineering, compressed air complete system and other series. The products are widely used in environmental protection, petrochemical, chemical fiber, heat treatment, metallurgy, glass, food, medicine, electronics, etc National defense, aerospace, aviation and other fields.