禾盛新材：关于董事增持公司股份计划的公告

Group 1 - The core point of the article is that He Sheng New Materials announced a plan for share buyback by its director, Wu Haifeng, indicating confidence in the company's future development and long-term investment value [2][3] - The planned share buyback will involve an investment of no less than 10 million RMB and no more than 20 million RMB, to be executed within six months from the announcement date [2]