On Mar. 19th, Mr. Shen Shuiyuan, a distinguished teacher, visited our group for an exchange. During his visit, he toured our lab under the guidance of Prof. Zhang and took a group photo with us. Mr. Shen is an alumnus of the College of Chemistry and Chemical Engineering at Hunan Normal University. He currently serves as the Party Secretary of Guangdong Shunde Lecong Middle School, a senior chemistry teacher, and a distinguished teacher. He is also a part-time master's supervisor at Hunan Normal University and has won numerous national and Guangdong provincial teaching awards. We sincerely thank Mr. Shen Shuiyuan for his visit!