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*ST四通:控股股东、实际控制人黄建平增持约188万股,增持计划实施完毕

Group 1 - The core point of the announcement is that the controlling shareholder, Huang Jianping, has completed a share buyback of approximately 1.88 million shares, accounting for 0.59% of the total share capital, with a total transaction amount of 10.18 million yuan [2] Group 2 - For the fiscal year 2024, the revenue composition of *ST Sihua is as follows: the ceramics industry accounts for 85.89%, the zirconium industry accounts for 13.93%, and other businesses account for 0.17% [2]