Mr. Dong Xin, aged 52, was born in 1966. He graduated from Shenyang Gold Institute majoring in mining, acquired an EMBA degree from Dalian University of Technology, and qualified as an applied engineering technology researcher. He is currently an Executive Director, the executive president and technical director of the Company and the chairman of Gold Association of Xinjiang Uygur Autonomous Region. Currently, Mr. Dong is the Chairman and legal representative of Jiashi Tonghui Mining Company Limited (伽师县铜辉矿业有限责任公司), Xinjiang Xinhui Copper Company Limited (新疆鑫慧铜业有限公司), Tuoli Zhaojin Beijiang Mining Company Limited (托里 县招金北疆矿业有限公司), Ejina Yuantong Mining Industry Company Limited (额济纳旗圆通矿业有限责任公司) and Fengningjinlong Mining Company Limited ( 丰宁金龙黄金工业有限公司 ), the director of Laizhou Ruihai Mining Industry Company Limited ( 莱州市瑞海矿业有限公司 ) and Tao-jin Technology Investment (Beijing) Limited ( 淘金 科技投资 ( 北京 ) 股份有限公司 ). Mr. Dong served as a technician, vice director, director, deputy chief mining officer and chief mining officer of Xiadian Gold Mine, general manager of Tuoli Zhaojin Beijiang Mining Company Limited, general manager of Xinjiang Xingta Mining Company Limited and production director of the Company. Mr. Dong has been awarded the First Prize of Technology Advancement in Shandong Province, the Grade I and Special Award of Science and Technology of the China Gold Association for a number of times, and was granted a number of honorary awards such as the Leader of Corporate Technology Innovation in Shandong Province, Shandong Provincial People-enrich and Lu-thriving Labour Medal, Shandong Provincial Excellent Entrepreneur, National Excellent Workers of Facilities Management. He was a part time professor of Shandong University of Technology, and was awarded as the Labour Model of Xinjiang Tarbagatay Prefecture, Labour Model of National Gold Industry in the 11th Five-Year Plan Period, Reserve Revaluation Expert of Shangdong Mining Association, Science & Technology Pacesetter of National Gold Industry in the 12th Five-Year Plan Period and Advanced Individual of National Standardized Gold Industry in the 12th Five-Year Plan. Mr. Dong has served as the Vice President of the Company since February 2013, as the technical director of the Company since January 2015 and as an Executive Director and executive president of the Company since March 2018.