Mr. Ning Xiangdong, born in May 1965, Chinese nationality, no long-term residence permit of foreign countries, Doctor of Quantitative Economics, School of Economics and Management, Tsinghua University; professor and doctoral supervisor of School of Economics and Management, Tsinghua University. He once worked as Independent Director of Goertek Inc.; Independent Director of Datang Telecom Technology Co., Ltd; Independent Director of Hongyuan Securities Co., Ltd; Independent Director of Shantui Construction Machinery Co., Ltd; Independent Director of China Aerospace Science and Technology Corporation; Independent Non-executive Director of China Southern Airlines Co., Ltd; Independent Director of Sichuan Changhong Electric Co.,Ltd; Independent Director of Yango Group Co., Ltd; Independent Non-executive Director of Weichai Power Co., Ltd. Mr. NING is now Independent Non-executive Director of our company; Independent Non-executive Director of Appotronics Corporation Ltd.