Mr. ZHANG Liming (張黎明), aged 51, has been appointed as the general manager of the Company with effect from 16 April 2025 and is mainly responsible for the overall management of the Group''''''''s production, operations, and heating business.
Mr. ZHANG has more than 20 years of experience in the heating industry. From January 1999 to May 2001,Mr. ZHANG served as the production section chief of the Nanguan branch of the Company’s controlling shareholder, Changre Group and was mainly responsible for managing heat supply operations and quality control. From May 2001 to March 2006, he served as the technical section chief, assistant manager and deputy manager
of the Dongling branch, and was mainly responsible for managing heat supply operations, quality control and overall management. From March 2006 to March 2009,he served as the manager of the Second Road Branch,mainly responsible for the overall management of thermal production and service fees. From March 2009 to March 2010, he served as the manager of the Chaoyang Second Department, mainly responsible for the management of thermal production and operations. From March 2010 to April 2014, he served as the Dongling branch manager, mainly responsible for the overall management of thermal production and operations. From April 2014 to May 2017, he served as the director of the development and construction division, mainly responsible for the development of heating area and the construction of heating engineering projects. Mr. ZHANG served as the assistant to the general manager of Changre Group from December 2014 to May 2018, and was mainly responsible for the management of the group’s heating production, technology, and production safety. From May 2017 to December 2017, he served as the director of the construction management center. From December 2017 to May 2018, he served as the deputy chief engineer of Changre Group, mainly responsible for the overall management of heat supply, technology, safety matters, and engineering design. From May 2018 to August 2022, Mr. ZHANG 

served as the Company’s deputy general

manager. From December 2020 to August 2022, Mr.ZHANG served as the general manager of Changchun Yatai Heating Company Limited*, a wholly-owned subsidiary of the Company. From March 2021 to August 2022, Mr.ZHANG served as the chairman of Jilin Province Northeast Heating Co., Ltd.*, a non-wholly owned subsidiary of the Company. From August 2022 to October 2024, Mr. ZHANG served as the deputy general manager of Changre Group.

From October 2024 to April 2025, Mr. ZHANG served as the general manager of Changre Group.