Zhejiang Jindun Fans Co.Ltd(300411) Zhejiang Jindun Fans Co.Ltd(300411) : from January 2022 to March 2022, the performance forecast profit increased significantly. It is estimated that the net profit attributable to the shareholders of the listed company from January to March 2022 will be 28 million yuan to 32 million yuan, with a change range of 1213.5% to 1401.1% compared with the same period of the previous year. The increase in performance was mainly due to the business income of military nuclear power ventilation system of 240454 million yuan, accounting for 31.36%, an increase of 265257% over the same period of last year; In addition, the company increased the collection of accounts receivable, which made the company better in the current period and offset the credit impairment losses accrued in previous periods, which not only increased the company’s profits, but also supplemented the company’s cash flow. In addition, Zhejiang Jindun Fans Co.Ltd(300411) based on the consideration of the company’s resource allocation and long-term development, it sold 100% equity of Zhejiang Hongxiang Technology Co., Ltd. (hereinafter referred to as “Hongxiang technology”) through public listing in April 2021. The net profit of Hongxiang technology in the same period of last year was a loss of 108401 million yuan. In this period, Hongxiang technology is no longer included in the consolidated statements, which is also one of the reasons for the growth of the company’s performance. The persistence of the rise is average.