According to the Zhitong Finance App, Hymer Technology (300084.SZ) announced that on December 23, 2022, the company received the “Decision on Issuing Warning Letter Supervisory and Management Measures for Haimer Technology (Group) Co., Ltd.”, “Decision on Supervisory Measures for Supervisory Interactions with Dou Jianwen” and “Decision on Supervisory Management Measures for HeXiaodeng” issued by the Gansu Securities Regulatory Bureau on December 23, 2022. The decision states:

On January 28, 2022, the company disclosed the “2021 Annual Performance Forecast”. Due to underestimation of some matters affecting the company's performance and untimely confirmation, there was a big difference between the disclosed forecasted performance and actual performance, and the nature of profit and loss changed, in violation of the provisions of section 3 (1) of the “Administrative Measures on Information Disclosure of Listed Companies”.