润都股份（.SZ）投资者推介会

Welcome investors to the Summer Online Strategy Meeting held by Huayan Medical Co., Ltd. I am Yang Fuyuan, a medical researcher of Huayan Medical Co., Ltd. This is the first time that we have the honor to have Mr. Su Dongmi, the CEO of Huayan Medical Co., Ltd. to join us for today's discussion. Today's discussion is divided into the company introduction, Mr. Yang, Mr. Zhao, and all the investors. I am the general secretary of the company. On behalf of the company, I would like to introduce the basic situati ...