Shell and CNPC agree on Global cooperation Jun 21, 2011
Shell and China National Petroleum Company (CNPC) signed a Global Alliance Agreement emphasizing their shared intent to

Rosneft and CNPC expand cooperation in the upstream sector Nov 25, 2010
Rosneft and China National Petroleum Corporation (CNPC) signed a memorandum on expanding cooperation in the upstream sector.

Lukoil and CNPC sign strategic partnership agreement Sep 29, 2010
Vagit Alekperov, OAO LUKOIL President, and Jiang Jiemin, President of China National Petroleum Corporation (CNPC), signed a Strategic Partnership Promotion