BRIEF-PetroChina's Vice Chairman, President Resign Due To Change In Job Roles

Dec 9 (Reuters) - PetroChina Co Ltd:

* SAYS VICE CHAIRMAN ZHANG WEI, PRESIDENT HOU QIJUN RESIGN DUE TO CHANGE IN JOB ROLES Source text in Chinese: https://bit.ly/2YzBFVQ Further company coverage: (Reporting by Hong Kong newsroom)