It is mainly used for the declaration of Policies and Regulations,timely.Report of current affairs,cultural promotions,press release in time,knowledge propagandas,report of the excellent people,notice of the important events,notification broadcast,issuing  businesses,teachings,lectures,presentations,meetings,time,guiding shows,media,videos,release of the centralized information and so on,and also the timely report and propaganda of the enterprise image and government policies.