According to the Zhitong Finance App, Guangzhou Langqi (000523.SZ) issued an announcement. According to the requirements of relevant regulations such as “Corporate Accounting Standards” and “Self-Regulatory Supervision Guide for Listed Companies on the Shenzhen Stock Exchange No. 1 - Standardized Operation of Main Board Listed Companies”, the company decided to write off some of the unrecoverable accounts receivable and other receivables totaling 510 million yuan in accordance with the regulations in order to truly reflect the company's asset value and operating results.