Mr. Yu Hegui is primarily in charge of overseeing and implementation of the supply chain strategies and management of suppliers. He graduated with a bachelor's degree in philosophy from Anhui University in July 2005 and was awarded as a D-Level Talent in Yuhang District, Hangzhou on July 2020.  Mr. Yu joined our Group in December 2015 and has been the supply chain director of our Group since then. He was further appointed as a supervisor of Zhejiang Zibuyu since April 2017. Prior to joining our Group, Mr. Yu worked at SGS-CSTC Standards Technical Services from March 2015 to December 2015. From July 2010 to February 2015, he served as the marketing planning director of Anhui Nanling Century Construction and Installation Co., Ltd., responsible for the formulation of project sales strategy and sales process to achieve sales targets. Before that, he worked at Anhui Water Resources Development Co., Ltd., a subsidiary of Anhui Construction Engineering Group Corporation Limited (stock code: 600502.SZ), from April 2006 to June 2010. Mr. Yu was appointed as the supply chain director of our Company on June 18, 2021.