Feda Nitrogen,Website:http://www.fedatopgas.com, Inc. is a division of Beijing Feda High-Tech Gas Co.,Ltd, one of the earliest companies engaged in the production of nitrogen generators by adopting pressure swing adsorption technology. We have developed nitrogen generators, oxygen generators, nitrogen purification equipment, hydrogen purification equipment and air purification equipment and obtained six national patents for the past two decades. We have passed ISO9001 quality management system certification, CCS certification, CE certification, ASME certification and CSA certification, etc.