泰山石油：12月16日回购公司股份923500股

Group 1 - The core announcement is that Taishan Petroleum (000554) will initiate a share buyback program on December 16, 2025, through a centralized bidding trading method [1] - The total number of shares to be repurchased is 923,500, which represents 0.19% of the company's total share capital [1]