Chen Yongxin: Male, born in June 1975, with a university degree. From July 2004 to May 20 1 1 year, he served as structural design engineer, structural design director and structural design manager of network control division of Nanjing Wanlida Technology Co., Ltd. From May 201year to June 201year, he served as structural development manager of our company's technology center. Mr. Chen Yongxin is currently the director of the structural development department of the technical center of our company.