东华测试：聘任刘妍娜为公司内部审计负责人

Group 1 - The company Donghua Testing announced the internal appointment change, with Lin Ping no longer serving as the head of internal audit due to internal job adjustments [2] - Liu Yanna has been appointed as the new head of internal audit [2] - For the year 2024, the company's revenue composition is entirely from instrument and meter testing, accounting for 100.0% [2]