雷曼光电：聘任姚丽为公司财务总监

Group 1 - The core point of the news is the resignation of the Chief Financial Officer, Zhang Yan, due to reaching retirement age, and the appointment of Yao Li as the new CFO [1] - The company reported that its revenue composition for the first half of 2025 is entirely from the LED industry, accounting for 100% [1] - As of the latest report, the market capitalization of the company is 3.4 billion yuan [2] Group 2 - The company has faced challenges as another entity, identified as 688496, has been investigated by the Securities Regulatory Commission for significant losses exceeding 100 million yuan shortly after its listing [2] - The primary customer of the aforementioned entity has reduced procurement due to self-supply, impacting its core product [2]