晶华新材:晶华新材关于以集中竞价交易方式回购股份的回购报告书公告日期:2026/07/20 · 栏目:回购报告书公告链接:http://static.sse.com.cn/disclosure/listedinfo/announcement/c/new/2026-07-20/603683_20260720_DR5V.pdf