晶华新材高管减持计划 - 董事及高管白秋美拟减持不超过1,607,560股，占总股本0.5549% [1] - 郑章勤拟减持不超过99,110股，占总股本0.0342% [1] - 尹力拟减持不超过56,500股，占总股本0.0195% [1] - 潘晓婵拟减持不超过62,800股，占总股本0.0217% [1]