Group 1 - The company held its second meeting of the fourth board of directors on August 7, 2025, to discuss key resolutions [2][3][4] - The board unanimously approved the proposal not to redeem the "Zhongqi Convertible Bonds" early, as the stock price met the conditions for conditional redemption [7][10][21] - The company decided to postpone the implementation of the "Annual Production of 10,000 Tons of Semiconductor-grade and Photovoltaic Crucible High-purity Sand Project" after re-evaluating the investment projects [8][30][32] Group 2 - The company issued 5.4 million convertible bonds with a total amount of 540 million yuan, which were listed on April 25, 2023 [12][13] - The initial conversion price of the bonds was adjusted from 30.27 yuan/share to 14.76 yuan/share as of May 29, 2025 [15][18] - The company has completed the registration changes and received a new business license, reflecting updated capital and operational scope [37]