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]

Core Viewpoint - Dongfang Zirconium announced the convening of its 23rd meeting of the 8th Board of Directors on August 11, 2025, to review various proposals [2] Group 1: Company Performance - For the first half of 2025, Dongfang Zirconium's revenue composition was entirely from zircon products, accounting for 100.0% [2]