This announcement is a separate document:
ST安控：关于更正北京安控科技股份有限公司 2016年面向合格投资者公开发行公司债券2021年跟踪评级报告的说明(1)
The above content is for informational or educational purposes only and does not constitute any investment advice related to Futu. Although we strive to ensure the truthfulness, accuracy, and originality of all such content, we cannot guarantee it.