|  | |  | | | Changqing yields 40 Mtoe more in 2011 | | On December 27, 2011, Changqing Oilfield's annual production reached 40.59 million tons of oil equivalent (Mtoe). |
| |
|  |
| |  | | While providing energy, we strive for harmonious relationships between operation.... | | more > |
|
 | | We offer crude oil, natural gas, refined products and chemicals for business and customer use... | | more > |
|
| |
|
|