Dec 6 (Reuters) - Chinalco Yunnan Copper Resources Ltd CYU.AX :
* Zhihua Yao has resigned as non-executive chairman and a director of CYU
* Huaisheng Peng has been appointed a new director and will assume role of non- executive chairman Source text for Eikon: ID:nASX8QgGXs Further company coverage: CYU.AX