On June 27 (local time), witnessed by Chinese Vice Premier Li Keqiang and Uzbek First Deputy Prime Minister Rustam Azimov, CNPC President Jiang Jiemin and Chairman of the Board of NHC Uzbekneftegaz Ulugbek Nazarov signed agreements on cooperation in oil and gas business between the two sides. These include an agreement on reinforcing oil and gas cooperation, a supplementary agreement on cooperation principles for the joint exploration and development of Mingbulak oilfield, and an agreement on principles for the establishment of a joint venture.