Zhang Shengnan: Male, China, born in 1972, bachelor degree, chemical engineer, senior smelting engineer, national registered safety engineer, party member, representative of the 10th Hunan Association for Science and Technology, member and standing committee member of the 4th and 5th Chenzhou Association for Science and Technology. 1From August 1996 to February 2004, he served as deputy director, director, branch secretary, deputy director and deputy general manager of production in Chenzhou Fine Chemical General Factory. From June 2005 to May 2006, he served as the director of the production technology department of Chenzhou Jingui Bank Co., Ltd., and from June 2006 to June 2007, he served as the deputy director of the production technology department of the company. From June 2008 to March 2009, he served as Minister of Science, Technology and Environmental Protection, from April 2009 to June 2065, 438+0, 65, 438+2, 2065, 438+0, 2065, 438+0, 2065, 438+0. From June 20 14 to June 20 16, he served as the director of the safety and environmental protection department of the company, from June 20 17 to June 20 17, he served as the assistant to the president and director of the general office, and from June 20 17, he served as the director of the general office of the company.