Group 1 - The company Guangda Special Materials announced a share buyback of approximately 1.59 million shares, accounting for 0.5685% of its total share capital, with an increase of 0.1261% compared to the previous announcement [1] - The highest and lowest prices for the buyback were 26.06 CNY and 24.34 CNY per share, with a total expenditure of approximately 39.99 million CNY [1] - As of the report, the market capitalization of Guangda Special Materials is 8.3 billion CNY [1] Group 2 - For the year 2024, the revenue composition of Guangda Special Materials is as follows: 54.86% from new energy wind power, 19.8% from energy equipment, 9.32% from mechanical equipment, 5.46% from mold manufacturing, and 3.38% from marine petrochemical equipment [1]