蓝天燃气：关于控股股东部分股份解除轮候冻结的公告

Group 1 - The core point of the article is that Blue Sky Gas announced the lifting of a share freeze on 30,000,000 shares held by its controlling shareholder, Henan Blue Sky Group Co., Ltd. [2] Group 2 - The share freeze was lifted through the system of China Securities Depository and Clearing Corporation Limited, Shanghai Branch [2]