美信科技：选举张定珍为董事长
Group 1 - The core point of the article is the announcement by Meixin Technology regarding the election of Zhang Dingzhen as the chairman and general manager during the first meeting of the fourth board of directors [2]
Group 1 - The core point of the article is the announcement by Meixin Technology regarding the election of Zhang Dingzhen as the chairman and general manager during the first meeting of the fourth board of directors [2]