Deng Xiaozhuang:1July 1999 to July 2000: employee of finance department of Tianjin Tongguang Samsung Electronics Co., Ltd.; From July 2000 to August 2006, 5438+0 served as a futures broker of Shanxi Property Futures Broker Co., Ltd.; From August 5438+0, 2006 to March 2005, he served as the investment manager of Tianjin Gold Mobile Commerce Co., Ltd.; From March 2005 to June 2006, 5438+ 10 served as manager of investment department of zhonghao enterprise group; From June 5438 to October 2006, he served as the general manager of Tianjin Zhonghao Investment Co., Ltd., the executive director of Tianjin Youth Entrepreneurship Service Co., Ltd. and the executive director of Tianjin Kaidishu Culture Development Co., Ltd.; 20 14 10 has been the chairman of Tianjin Guo Heng railway holding co., ltd. 20 16 12 has been the general manager of Tianjin Guo Heng railway holding co., ltd.