Gu Tongyu: Male, China nationality, born in April 1979, with no permanent residency abroad, graduated from Fudan University with a master's degree in software engineering. He worked as an engineer in Shenyang Xinli Technology Development Company, and joined Yihualu in September 2002. He used to be deputy director of Yihualu Market Development Center, assistant to the president, general manager of East China Business Department, general manager of supply chain management center, director of human resources and general manager of transportation management center. And the general manager of Yihualu (Tianjin) Traffic Engineering Co., Ltd., the general manager of Yihualu (Tianjin) Yi Yun Interconnection Co., Ltd., the president of Yihualu Public Safety BG, and the general manager of Beijing Shang Yi De Technology Co., Ltd., currently in charge of Yihualu enterprise strategic cooperation and B-side business.