Mr. LEI Dejun
Mr. Lei Dejun, aged 41, has been the Chief Operating Officer of the Group since April 2012, and was appointed as an executive Director with effect on 12 June 2017. He is also a director of several subsidiaries of the Group. He was an executive Director from 18 September 2015 to 9 May 2016. Mr. Lei is responsible for the overall production and development of polymetallic projects and the monitoring of the development of Dakuangshan project and he participated in parts of management of the Shizishan Mine project since September 2013. He was appointed as the president of Dehong Yinrun Mining Group Company Limited, a subsidiary of the Company, subsequently in April 2015 where he was fully responsible for daily operation and management of each of the Group’s mining entities. He graduated with an associate degree from Kunming Metallurgy College in 1998. He has about 22 years of experience in the production management and operation of mines. Prior to joining the Group, He worked as a technician, deputy director and director of the production department and supervising engineer of the factory at Huize Lead-Zinc Mine and Qujing Company of Yunnan Chihong Zinc & Germanium Co., Ltd. (雲南馳宏鋅鍺股份有限公司) from 1998 to March 2012 where he was responsible for factory production, cost management, human resources, technique and equipment management. During that tenure, he led a number of mining and metallurgical projects and obtained several domestic invention patents and utility model patents.