Mr. Xu Yongmo, born in April 1956, Master of Engineering, and obtained Doctor and Post Doctorate in the United Kingdom. From 1982 to 1983, Mr. Xu worked as the assistant engineer of Plasterboard Subsidiary of Beijing New Building Material Plant. From 1986 to 1988, he served as the head of RMX laboratory of Concrete and Housing Building Materials Institute of China Building Materials Academy. From 1988 to 1991, he served as the vice director of Technical Information Centre of China Building Materials Academy. From 1998 to 2002, he served as the vice president of China Building Materials Academy. From April 2002 to April 2017, he served as the vice president of China Building Materials Federation. From June 2006 to December 2016, he served as the president of China Concrete & Cement Product Association. From December 2016 to July 2022, he served as the executive president of China Concrete & Cement Product Association. From March 2007 to July 2022, he served as the director-general of China Construction Units Association. From October 2007 to July 2019, he served as the VP of China Cement Association. From December 2011 to March 2019, he served as the director-general of China Silicate Association. He became an independent director of Jiangsu Sobute New Materials Co., Ltd (a company listed on SSE, stock code: 603916) since April 2021. He served as the honorary president of China Concrete & Cement Product Association since June 2023. He became the Independent Director of the Company from April 2009 to March 2012. He has been the Chairman of the Company since April 2012.