金徽股份：关于部分董事、监事及高级管理人员自愿增持公司股份时间届满暨结果公告

Group 1 - The core point of the article is that Jinwei Co., Ltd. has completed its share buyback plan, having acquired a total of 509,700 shares for a total amount of 6.3377 million yuan since the announcement of the buyback plan [1] Group 2 - The buyback was executed through the Shanghai Stock Exchange trading system using a centralized bidding method [1] - The announcement was made on the evening of October 20 [1] - The completion of the buyback plan indicates the company's commitment to enhancing shareholder value [1]