Haofeng Technology (300419ioscryptogames.SZ) fell 13% at the beginning of the session and is now trading at 7.55 yuan, with its total market value falling below 3 billion yuan. On May 7, the Shenzhen Stock Exchange sent an annual report inquiry letter to Beijing Haofeng Chuangyuan Technology Co., Ltd., paying attention to a number of issues. These include the audit report with qualified opinions on the company's 2023 financial report, involvingioscryptogamesThe accuracy of bad debt provisions for his receivables and the commercial rationality of capital transactions.