What is Zhang Songgen's position? Chairman Tian Zhihang

Zhang Songgen: Male, born in February 1966, China nationality, with no permanent residency abroad, graduated from Institute of Radio Technology and Electronics of Russian Academy of Sciences with a doctorate and the title of professor-level senior engineer. 1August 1995 to April 2006, 5438+0, assistant researcher and associate researcher of Institute of Electronics, Chinese Academy of Sciences. From May 5438, 2006 to March 2007, he served as the general manager of Beijing Tianhuihua Digital Technology Co., Ltd.; From April to October, 2007, he served as the chairman and general manager of Beijing Tianzhihang Technology Co., Ltd.; 20 10 to 20 10 as the general manager of Beijing tianzhihang medical technology co., ltd; Since 20 10, he has served as the chairman of Beijing tianzhihang medical technology co., ltd.