mr. ma yunshuang, born in 1970, chinese citizen with no right of abode in any foreign country; holding a doctor's degree; professor-level senior engineer; member of the cpc standing committee and vice president of the company. mr. ma was vice general manager, and vice chairman/general manager/deputy party secretary of csr qingdao sifang co., ltd., and was director, general manager and deputy party secretary of crrc qingdao sifang co., ltd. mr. ma has been a member of the cpc standing committee and vice president of the company since october 2019.