登云股份：关于公司控股股东部分股份质押的公告

Group 1 - The core point of the article is that Dengyun Co., Ltd. announced the pledge of shares by its controlling shareholder, Beijing Yike Ruihai Mining Co., Ltd. [1] - The pledged shares amount to 244,141 shares, which represents 0.77% of the shares held by the controlling shareholder and 0.18% of the total share capital of the company [1]