In accordance with the requirements of the “Notice on Carrying Out the Nomination Work for the 2021 Zhejiang Provincial Science and Technology Awards” issued by the Zhejiang Provincial Department of Science and Technology, the nomination achievement of Chaoda Valve Group Co., Ltd. for the 2021 Zhejiang Provincial Science and Technology Awards, “Valve for Harsh Working Conditions Using Special Composite Wear-Resistant Materials,” is hereby publicized on the company’s website to solicit opinions from the company and the public. Details of the public notice are attached. The public notice period is 7 days from the date of this notice.