Mr. ZHAO Yiyin is our Vice President principally in charge of our sales and marketing. Mr. Zhao joined our Group in July 2007 till September 2013, re-joined our Group in June 2015 and has more than 15 years of experience in the field of sales and marketing. Between October 2013 and May 2015, Mr. Zhao served as the national OTC director at Zhejiang Senyu Holding Group. Mr. Zhao graduated from the Department of Information Engineering of Beijing Institute of Graphic Communication in 2007 and obtained a bachelor's degree in engineering with a major focus in automation.