China North Airlines Co,.Ltd approved by State Administration for Industry and Commerce and Sichuan Province Administration for Industry and Commerce is firstly registered as Civil Aviation for Public Air Transport Joint- equity Enterprise , overall restructured from Sichuan China North Airlines Investment Co.Ltd.  Main Business are  public air transport services business，ticket agent，Air freight agent，Import and export trade，wholesale and retail， information system integration service，Data processing and storage，project survey and design，Engineering project management，rairport  runway engineering ，Highway traffic engineering，municipal public engineering，Real estate open business，Vocational skills training，Enterprise Management Service.