Connected Transaction Assets Acquisition [2008-04-28] PetroChina Maintains Stable Progress In Key Business .. [2008-04-28] First Quarter Report of 2008 [2008-04-28] Announcement on Financial Support Measures by the Sta.. [2008-04-21] Supplemental Proxy Form for the Annual General Meetin.. [2008-04-17] Supplemental Notice of Annual General [2008-04-17] 　 　 Summary of the 2007 Annual Report 　 2007 Annual Report 　 　 2007 Social Responsi- bility Annual Report