[Tongyu Heavy Industry: Controlling Shareholder Guohui Capital Plans to Increase Stake in the Company by RMB 150 Million to RMB 300 Million] Tongyu Heavy Industry announced that its controlling shareholder, Shandong Guohui Capital Co., Ltd., based on its strong confidence in the company's future development prospects and full recognition of the company's intrinsic value, plans to increase its stake in the company within six months from the date of this announcement, with a proposed increase of no less than RMB 150 million and no more than RMB 300 million, in order to better promote the company's sustainable, stable, and healthy development.