Zhou Yan: Male, born in September, 1983, China nationality, without permanent residency abroad, graduated from Xi Jiaotong University with a master's degree in science. 2008-20 1 1, as a product manager in China Mobile (Shenzhen) Co., Ltd.; From 20 1 1 to 20 18, he served as a senior analyst and co-chief analyst in the communications industry in China Merchants Securities Research and Development Center; From May 20 18 to now, I have been working in Hainengda Communication Co., Ltd. Now I am the deputy general manager and secretary of the board of directors of Hainengda Communication Co., Ltd.