Group 1 - The company Huazhan Optoelectronics (SZ 300323) announced the resignation of board member Mr. She Xiaomin due to work adjustments, and he will no longer hold any position in the company after his resignation [1] - For the fiscal year 2024, Huazhan Optoelectronics' revenue composition is entirely from electronic device manufacturing, accounting for 100.0% [1] - As of the report date, the market capitalization of Huazhan Optoelectronics is 15.8 billion yuan [1]

Group 1 - The company Jiuyuan Yinhai (SZ 002777) announced its sixth board meeting held on August 22, 2025, via communication methods, where it reviewed the 2025 semi-annual report and its summary [1] - For the first half of 2025, Jiuyuan Yinhai's revenue composition was as follows: Medical insurance accounted for 54.26%, Digital government for 33.44%, Smart city for 11.77%, Other types for 0.29%, and Other businesses for 0.24% [1] - As of the report, Jiuyuan Yinhai's market capitalization was 8.5 billion yuan [1]