What is Xu Feng's position? Vice Chairman of Yunnan Aluminum Co., Ltd.

Xu Feng: Male, Han nationality, born in June, 197 1,1,1994, joined China in August, 2000 10, as a master and senior engineer. He has served as deputy director, minister of engineering technology, director of engineering technology department, director and deputy chief engineer of mechanical maintenance department of Maliantai Power Plant, deputy director of preparatory office of Ningxia Power Generation Group Maintenance Company, secretary, deputy general manager, trade union chairman, general manager, legal representative, executive director and deputy secretary of Party Committee of Ningxia Yi Yin Power Equipment Maintenance and Installation Co., Ltd. Deputy general manager of Chinalco Ningxia Energy Group Co., Ltd., director, deputy general manager and general manager of Shanxi Chinalco China Resources Co., Ltd., currently deputy secretary and vice chairman of the Party Committee of Yunnan Aluminum Co., Ltd., party secretary and executive director of Chinalco (Yunnan) Huajiang Aluminum Co., Ltd., and party secretary of Yunnan Wenshan Aluminum Co., Ltd.