Mr. Jiang Yingwu,born in October 1966, is the executive director, chairman of the Board and the secretary of the communist party committee of the Company. He served as the general manager and the deputy secretary of the communist party committee of the Company from December 2020 to February 2023, and has served as the executive director of the Company since 19 January 2021. He has served as the chairman of the Board of the Company since February 2023. Jiang Yingwu had been the vice general manager of the Company from October 2016 to December 2020 and a standing member ofthe party committee of the Company from June 2017 to December 2020. Jiang Yingwu, who holds the title of senior economist and senior engineer, graduated with a bachelor’s degree in inorganic materials science and silicate engineering from Shandong College of Building Materials Industry (山東建材工業學院) in August 1989. Jiang Yingwu had been a section member and deputy section chief of the technology quality section of Beijing Yanshan Cement Plant (北京燕山水泥廠), cadre and vice manager of the technology department of the headquarters of Beijing City Building Material Group (北京市建材集團), vice manager of the technology department of BBMG Group Company Limited, the deputy secretary general and head of the general office of the Building Materials Industry Association (建材行業協會), and the head of the strategic development department, the manager of the policy research office and the head of the organization department of the party committee of the Company. Save as disclosed above, he does not hold directorship in any other listed public companies in Hong Kong or overseas during the past three years and he does not hold any other position with the Company and other members of the Group.
Mr. Gu, born in March 1972, holds an on-job postgraduate degree and a master’s degree in engineering. He is a senior economist. Mr. Gu worked for Equipment and Material Company of Beijing Uni-Construction Group in July 1993. Mr. Gu currently has served as the deputy secretary of the communist party committee and the general manager of the Company since July 2023 and August 2023 respectively. Mr. Gu has been appointed as an executive Director of the Company since September 2023.
Mr. Gu successively served as a materials staff of distribution center, vice manager and assistant to general manager of Equipment and Material Company of Beijing Uni-Construction Group, general manager and vice chairman of Beijing Tianliao Equipment Material Co., Ltd.* (天遼設備物資有限公司), assistant to the general manager of Equipment and Material Company of Beijing Uni-Construction Group, general manager of Beijing Uni-Construction International Wood Industrial Co., Ltd.* (北京住總國際木業有限公司), deputy secretary of the Party General Branch, general manager and chairman of Beijing Uni-Construction Logistics Co., Ltd.* (北京住總物流有限公司), assistant to the general manager of Beijing Uni-Construction Group Co., Ltd., and the deputy secretary of the communist party committee and chairman of Beijing Uni-Construction Tech.& Trade Holding Group Co., Ltd.* (北京住總科貿控股集團有限公司).
Mr. Gu served as the deputy general manager of Beijing Uni-Construction Group Co., Ltd. from June 2016 to October 2019; deputy secretary of the party committee and deputy general manager of Beijing Urban Construction Group Co., Ltd. and the secretary of the party committee and chairman of Beijing Uni.-Construction Group Co., Ltd. from October 2019 to September 2020; deputy secretary of the party committee and deputy general manager of Beijing Urban Construction Group Co., Ltd. from September 2020 to July 2023 (among which, he took temporary posts as a member of the party committee of the Xinjiang Hetian Commander Headquarters and the secretary of Urumqi Municipal Committee from September 2020 to July 2023).
Mr. Jiang Changlu, born in May 1965, has been a deputy general manager and standing member of the party committee of the Company since June 2017 and has served as the secretary of the communist party committee and chairman of Jidong Cement from October 2016 to January 2020. Mr. Jiang Changlu has served as the Deputy Secretary of the communist party committee since July 2023 and been appointed as an executive Director of the Company and September 2023.
Jiang Changlu began working in August 1987, and graduated from the University of Science and Technology Beijing majoring in environmental science and engineering. He is a master of engineering and a senior economist. Jiang Changlu served as supervisor of the Technology Department, technician of Raw Material Workshop, operator of New Line Branch, deputy director of Production Safety Department, deputy manager of Transportation Company, director and branch secretary of Supply Department, deputy director and chief despatcher of Production Management Department, director of Supply Department and vice manager of Beijing Liulihe Cement Factory from August 1987 to November 2005; deputy director and director of the Cement Business Division of the Company, deputy manager of the Cement Branch, manager of BBMG Cement Trading Co., Ltd., vice general manager and chairman of Hebei Taihang Cement Co., Ltd. from November 2005 to May 2011; and director of the Cement Business Division of the Company and manager of BBMG Cement Trading Co., Ltd. from May 2011 to October 2015.
Mr. Zheng Baojin, born in February 1966 and aged 55, has been appointed as an executive Director of the Company since 15 August 2017 and as the deputy general manager of the Company since 12 May 2021. Mr. Zheng Baojin began working in July 1987 by joining Hebei Taihang Cement Co., Ltd., where he took up various positions until May 2011, including the director of the securities department, the director of the board, the deputy general manager and the secretary of the board. Mr. Zheng Baojin served as the head of the office of the Board of the Company from October 2009 to January 2016. He had been the director of Jidong Cement between October 2016 and September 2017，and served as the secretary of the Board between January 2016 and August 2021.Mr. Zheng Baojin graduated from the Tangshan Engineering Technology Institute in July 1987 with industry management engineering profession. He holds a college degree and is a senior economist.
Mr. Gu Tiemin, born in May 1968 and aged 52, graduated from the Law Department of the College of Humanities and Law of Beijing Union University (北京聯合大學) in July 1991, majoring in law. In the same year, he worked for the Legal Office of Beijing Municipal Government (北京市政府法制辦公室). Mr. Gu Tiemin received his Master of Law degree from the Law School of Renmin University of China (中國人民大學) in January 2001 and is a third level lawyer. He is currently an expatriate full-time director of Beijing State-owned Capital Operation and Management Center (北京國有資本經營管理中心).
Mr. Gu Tiemin served as a section member, deputy chief section member, chief section member and deputy director of the Supervision and Guidance Division of the Legal Office of Beijing Municipal Government (北京市政府法制辦公室), researcher and deputy director of the Beijing Xuanwu District Government Legal Office (北京市宣武區政府法制辦) (director-general-level), deputy director (director-general-level) and director of the Regulations Division of the Beijing Municipal Commission of Foreign Trade and Economic Cooperation (北京市外經貿委法規處), director of the Legal and Fair Trade Division of the Beijing Municipal Commerce Bureau (北京市商務局法制與公平貿易處), director of the Circulation Order Division of the Beijing Municipal Commission of Commerce (北京市商務委員會流通秩序處), deputy Director of Beijing Technical Exchange Training Center (Beijing International Technical Cooperation Center) (北京技術交流培訓中心(北京國際技術合作中心)) and deputy General Manager of Beijing Capital Agribusiness Group Co., Ltd. (北京首都農業集團有限公司). Mr. Gu Tiemin served as a deputy secretary and deputy director of the Party Committee of Beijing Technology Exchange and Training Center (Beijing International Technology Cooperation Center) (北京技術交流培訓中心 (北京國際技術合作中心)) from August 2015 to June 2019. Mr. Gu Tiemin served as a secretary of the Party Committee and chairman of the Board of Directors of Beijing International Technology Cooperation Center Limited (北京國際技術合作中心有限公司) from June 2019 to March 2021 (retaining his status as a cadre under municipal Party committee). Mr. Gu Tiemin has served as an expatriate full-time director of Beijing State-owned Capital Operation and Management Center (北京國有資本經營管理中心) since March 2021 (retaining his status as a cadre under municipal Party committee).
Ms. Hao, born in July 1980, graduated from Beijing University of Technology in July 2007, majoring in materials science, with a master's degree in engineering and is a senior engineer. Ms. Hao is currently the director of the cement green development research institute of Beijing Building Materials Academy of Sciences Research Co., Ltd.* (北京建築材料科學研究總院有限公司).
Ms. Hao joined Beijing Building Materials Academy of Sciences Research Co., Ltd.* (北京建築材料科學研究總院有限公司) in July 2007. She has served as a research and development staff, deputy manager and senior specialist of the cement technology department, a project manager and deputy director of the cement green development research institute of Beijing Building Materials Academy of Sciences Research Co., Ltd.* (北京建築材料科學研究總院有限公司). Ms. Hao has been the director of the cement green development research institute of Beijing Building Materials Academy of Sciences Research Co., Ltd.* (北京建築材料科學研究總院有限公司) from September 2022 to present.
Mr. Liu Taigang, born in July 1966, aged 54, graduated from the Law School of Renmin University of China (中國人民大學) in July 1996 with a doctor’s degree, majoring in administrative law. He is currently a professor and doctoral tutor of public administration in the School of Public Administration of Renmin University of China, and a director of the Teaching and Research Section of Public Organization and Human Resources. Mr. Liu Taigang was a legal advisor of the Office of Tong Chi Kin Kwan Tsui Hang Legislative Councillor (唐志堅關翠杏立法議員辦事處) (seconded from the Macau Branch of Xinhua News Agency (新華社)). Mr. Liu Taigang was also a member of the Beijing Party Committee of China National Democratic Construction Association (中國民主建國會), member of the Central Legal Committee of the China National Democratic Construction Association, member of the sixth and seventh session of the Chinese People’s Political Consultative Conference of Haidian District, Beijing and member of the 3rd batch of special inspectors of the State Ministry of Supervision (國家監察部).
Mr. Hong Yongmiao, born in February 1964, aged 57, obtained a doctor’s degrees in Economics of University of California, San Diego in the United States in June 1993. Mr. Hong Yongmiao is an academician of the Academy of Sciences for the Developing World (發展中國家科學院) and fellow of the Econometric Society (世界計量經濟學學會). He is a distinguished research fellow at the Institute of Mathematics and Systems of the Chinese Academy of Sciences (中國科學院), a distinguished professor at the School of Economics and Management of the University of Chinese Academy of Sciences and a Distinguished Research Fellow and executive director of the prediction science research center of the Chinese Academy of Sciences. Mr. Hong Yongmiao was formerly a professor in the Department of Economics and Department of Statistics of Cornell University (康奈爾大學), and a professor and dean of the Wang Yanan Institute for Studies in Economics of Xiamen University (廈門大學) He has served as an Independent Non-Executive Director of the China Everbright Bank Company Limited (中國光大銀行股份有限公司) (SEHK stock code: 6818) since September 2019.
Mr. Tam Kin Fong, born in April 1971, aged 49, graduated from the City University of Hong Kong (香港城市大學) in July 1994 with a Bachelor of Arts (Hons) degree in accounting. After graduation, Mr. Tam worked at the auditing department of PricewaterhouseCoopers, and also served as a financial controller of a subsidiary of NWS Holdings Limited (新創建集團有限公司). Mr. Tam Kin Fong is currently a certified public accountant of the Hong Kong Institute of Certified Public Accountants. Mr. Tam Kin Fong is currently a managing director of Dakin Capital Limited (德健融資有限公司), where he is responsible for the business of the licensed corporation carrying out Type 6 (advising on corporate finance) regulated activity under the Securities and Futures Ordinance. Before he joined Dakin Capital Limited, Mr. Tam Kin Fong held positions in various international and Hong Kong investment banks, including vice president of Daiwa Securities Co., Ltd. (大和證券有限公司), executive director and co-head of Hong Kong Merchants Securities Co., Ltd. (香港招商證券有限公司) and head of investment banking department of Ping An of China Securities (Hong Kong) Company Limited (中國平安證券（香港）有限公司). He has more than 25 years of experience in corporate finance and accounting.
Mr. Jiang Yingwu, born in October 1966, aged 58, is the executive Director, chairman of the Board and the secretary of the Party Committee of the Company. Mr. Jiang Yingwu graduated witha bachelor’s degree in silicate engineering from the Department of Inorganic Materials Science andEngineering at Shandong College of Building Materials Industry (山東建材工業學院). He is a senioreconomist and senior engineer. He has been an executive Director since 19 January 2021 and servedas the chairman of the Board and the secretary of the Party Committee of our Company since February2023. Since September 1987, Mr. Jiang Yingwu successively took office in Beijing Yanshan CementPlant* (北京燕山水泥廠) and BBMG Group Company Limited and other companies. He has held variouspositions in the Company including the director of the Strategic Development Department, directorof the Party Committee Organization Department, deputy general manager, deputy secretary of theParty Committee, general manager, etc.
Mr. Gu, born in March 1972, holds an on-job postgraduate degree and a master’s degree in engineering. He is a senior economist. Mr. Gu worked for Equipment and Material Company of Beijing Uni-Construction Group in July 1993. Mr. Gu currently has served as the deputy secretary of the communist party committee and the general manager of the Company since July 2023 and August 2023 respectively.
Mr. Gu successively served as a materials staff of distribution center, vice manager and assistant to general manager of Equipment and Material Company of Beijing Uni-Construction Group, general manager and vice chairman of Beijing Tianliao Equipment Material Co., Ltd.* (天遼設備物資有限公司), assistant to the general manager of Equipment and Material Company of Beijing Uni-Construction Group, general manager of Beijing Uni-Construction International Wood Industrial Co., Ltd.* (北京住總國際木業有限公司), deputy secretary of the Party General Branch, general manager and chairman of Beijing Uni-Construction Logistics Co., Ltd.* (北京住總物流有限公司), assistant to the general manager of Beijing Uni-Construction Group Co., Ltd., and the deputy secretary of the communist party committee and chairman of Beijing Uni-Construction Tech.& Trade Holding Group Co., Ltd.* (北京住總科貿控股集團有限公司).
Mr. Gu served as the deputy general manager of Beijing Uni-Construction Group Co., Ltd. from June 2016 to October 2019; deputy secretary of the party committee and deputy general manager of Beijing Urban Construction Group Co., Ltd. and the secretary of the party committee and chairman of Beijing Uni.-Construction Group Co., Ltd. from October 2019 to September 2020; deputy secretary of the party committee and deputy general manager of Beijing Urban Construction Group Co., Ltd. from September 2020 to July 2023 (among which, he took temporary posts as a member of the party committee of the Xinjiang Hetian Commander Headquarters and the secretary of Urumqi Municipal Committee from September 2020 to July 2023).
Liu Wenyan, born in June 1967, has been a deputy general manager of the Company since 26 October 2012, has served as the secretary of the communist party committee and chairman of Jidong Development Group Co., Ltd. (“Jidong Group”) from October 2016 to April 2020. Liu Wenyan served as executive director and chairman of Tangshan Jidong Equipment and Engineering Co., Ltd. (唐山冀東裝備工程股份有限公司) from April to August 2018, and has served as the secretary of the communist party committee, chairman and general manager of BBMG New Building Materials Industrialization Group Limited (北京金陽新型建材產業化集團有限公司) from August 2018 to May 2020 (served as general manager till March 2019). Liu Wenyan has extensive experience in the cement industry and served as a deputy manager of Beijing Liulihe Cement Co., Ltd., a wholly owned subsidiary of the Company, from February 2004 to March 2007. He is mainly responsible for the overall business development, planning and management of the cement operations of the Company. He graduated from the Materials Faculty of the Beijing University of Technology majoring in materials engineering. He is a master degree graduate and a engineer.
An Zhiqiang, born in November 1965. An Zhiqiang had served as assistant to the president of the Company from December 2015 to June 2016 and has served as the deputy general manager of the Company since May 2016. An Zhiqiang has served as the secretary of the communist party committee and the vice chairman of Tianjin Building Materials (Holding) Co., Ltd. （天津市建築材料集團（控股）有限公司） since June 2018 (served as chairman since March 2019). An Zhiqiang began working in July 1988, and graduated from Peking University, Guanghua School of Management majoring in business administration. He is a master of management and a senior economist. An Zhiqiang served as deputy director of the General Office, vice manager, standing vice manager, manager and secretary of the communist party committee of Beijing Building Material Machinery Factory (北京市建材機械製造廠), manager of Bosha Industry and Trade Company (博廈工貿公司), manager and deputy secretary of the communist party committee of Beijing Jianji Assets Management Co., Ltd. from January 1993 to February 2008; deputy general economist of BBMG Assets, manager and deputy secretary of the communist party committee of Beijing Jianji Assets Management Co., Ltd. from February 2008 to October 2015; and assistant to the general manager of the Company, manager and deputy secretary of the communist party committee of Beijing Jianji Assets Management Co., Ltd. from October 2015 to December 2015.
Mr. Zheng Baojin, born in February 1966 and aged 55, has been appointed as an executive Director of the Company since 15 August 2017 and as the deputy general manager of the Company since 12 May 2021. Mr. Zheng Baojin began working in July 1987 by joining Hebei Taihang Cement Co., Ltd., where he took up various positions until May 2011, including the director of the securities department, the director of the board, the deputy general manager and the secretary of the board. Mr. Zheng Baojin served as the head of the office of the Board of the Company from October 2009 to January 2016. He had been the director of Jidong Cement between October 2016 and September 2017，and served as the secretary of the Board between January 2016 and August 2021.Mr. Zheng Baojin graduated from the Tangshan Engineering Technology Institute in July 1987 with industry management engineering profession. He holds a college degree and is a senior economist.
Mr. Kong Qinghui, born in January 1971, began working in July 1995 after graduating from Accounting Major of Chongqing University of Technology. He graduated from Chongqing University with a master degree in engineering and was an assistant accountant. From 1995 to October 2017, Kong Qinghui served as the general manager assistant and vice general manager of Baby-Joy Group in Yantai, vice general manager of Logistics Headquarters of Tangshan Jidong Cement Co., Ltd., vice general manager of marketing headquarters, vice general manager of Tangshan Jidong Cement Co., Ltd., in Sichuan-Chongqing Region, vice general manager and general manager in Shaanxi Region, vice chairman and general manager of Jidong Heidelberg (Jingyang) Cement Co., Ltd., vice chairman of Jidong Heidelberg (Fufeng) Cement Co., Ltd. From October 2017 to April 2018, Kong Qinghui acted as the vice general manager of Tangshan Jidong Cement Co., Ltd.; since May 2018, he has acted as the director of Tangshan Jidong Cement Co., Ltd. and from April 2018 to January 2020, he acted as the general manager of Tangshan Jidong Cement Co., Ltd. From July 2018 to October 2019, Kong Qinghui acted as the deputy secretary of the communist party committee of Tangshan Jidong Cement Co., Ltd. Since October 2019, he acted as the secretary of the communist party committee of Tangshan Jidong Cement Co., Ltd. From January 2020 to August 2023, Kong Qinghui acted as the general manager assistant of the Company. From January 2020 till now, Kong Qinghui acts as the chairman of Tangshan Jidong Cement Co., Ltd. From August 2023 till now, Kong Qinghui acts as the deputy general manager of the Company.
Mr. Liu Yu, born in July 1986, aged 38, currently serves as the deputy general manager and generallegal counsel of the Company, and concurrently serves as the secretary of the Party Committee andchairman of Tangshan Jidong Cement Co., Ltd. (Shenzhen Stock Exchange stock code: 000401).Mr. Liu Yu graduated from China University of Political Science and Law with majoring in law (civil,commercial and economic law) and Central University of Finance and Economics with majoring in law.He holds a university degree and a master’s degree in law, and is a corporate lawyer and economist.Mr. Liu Yu began to work in August 2005 and successively worked in BBMG Group Company Limitedand Tangshan Jidong Cement Co., Ltd. Mr. Liu Yu has served as the deputy director of the BoardOffice and director of legal compliance department of BBMG Corporation, the secretary to the boardof directors, general legal counsel, deputy general manager and general manager of Tangshan JidongCement Co., Ltd., etc.
Zhang Dengfeng, born in September 1971, has served as the general counsel of the Company from June 2017 to February 2021. Zhang Dengfeng has been a supervisor of the Company between October 2012 and June 2017. Zhang Dengfeng served as officer and assistant to manager of the Human Resources Department of the Beijing Building Material Group (北京建材集團) from July 1994 to November 2002. Zhang Dengfeng joined BBMG Group Company Limited in November 2002 and served as deputy head of General Office and director of the research division. Zhang Dengfeng joined the Company as head of the Public Relations Department in March 2008 and has held the position of the head of the Company’ General Office from June 2009 to October 2020. Zhang Dengfeng has served as the secretary of the party committee and assistant to general manager of the Company since October and December 2020 respectively, and has served as the head of the Department of General Affairs of the Company since February 2021. Zhang Dengfeng graduated from the School of Public Administration of Renmin University of China with a master’ degree in management in July 2008. Zhang Dengfeng is a senior economist.
Xu Chuanhui, born in August 1972. He began working in August 1995 after graduating from major of management information systems at Tianjin University of Commerce and business administration of Tsinghua University. He got the degree of MBA and became an engineer. From August 1995 to August 2018, he acted as the cadre and manager assistant of Co-ordination Planning Department of Beijing Building Materials Group, deputy manager of BBMG Property Management Co., Ltd., general manager of Beijing Jinhuyuan Property Management Co., Ltd., deputy manager of Beijing Gaoling Real Estate Development Co., Ltd. (Tengda Plaza), manager of Global Trade Branch of BBMG Property Management Co., Ltd., secretary of Real Estate and Property Division of the Company, general Party branch secretary of BBMG Real Estate Management Co., Ltd., manager and executive director of BBMG Hong Kong Limited, manager and executive director of BBMG Hongye Eco-Island Technology Co., Ltd., chairman of BBMG Qidi Technology Incubator Co., Ltd., executive director of BBMG Business Management Co., Ltd., and executive director of BBMG Aerated concrete Co., Ltd. Since August 2018, Xu Chuanhui has acted as Party Secretary and chairman of BBMG Investment Property Management Group; from August 2018 to January 2020, he acted as director of Investment Property Management Department of BBMG Corporation. He has served as the deputy general manager assistant of the Company since January 2020.
Cheng Hongliang, born in November 1969. He began working in August 1993. He was an urban gas engineering major at Wuhan Urban Construction Institute and an business administration major at University Of Science & Technology Beijing, with an M.B.A. degree. He is an engineer. From August 1983 to May 2011, Cheng Hongliang was an office clerk of BBMG Real Estate Development Co., Ltd., deputy director and director of Municipal Pipe Network Department of BBMG Real Estate Development Co., Ltd., director of Chief Engineer Office and general manager assistant of BBMG JIAYE Real Estate Development Co., Ltd., deputy head of Business Division 2 of BBMG Corporation, deputy head of Real Estate Development Department of the Company, deputy manager of Beijing Dacheng Real Estate Development Co., Ltd. and manager of Asset Operation Department, vice general manager of Beijing Dacheng Real Estate Development Co., Ltd.; from May 2011 to December 2012 to September 2017, he was the manager of Beijing Dacheng Real Estate Development Co., Ltd. From December 2012 to September 2017, he was the executive director and manager of Beijing Dacheng Real Estate Development Co., Ltd. From December 2016 to September 2017, he was the head of Asset Operation and Management Department of BBMG Corporation and head of Asset Management Department of the Company. From September 2017 to March 2020, he was the deputy Party secretary, director and general manager of BBMG Real Estate Development Group Co., Ltd.; from August 2018 to March 2020, he was the head of Real Estate Development and Management Department of the Company. Cheng Hongliang has been a general manager assistant of the Company since March 2020.
Mr. Zhang Ming, born in February 1981, aged 44, currently serves as the assistant to the generalmanager and the director of the environmental protection management department of the Company.Mr. Zhang Ming graduated from Beijing Institute of Aeronautical Materials with major in materialsand holds a postgraduate degree and a doctorate’s degree in engineering. He is a senior engineer.Mr. Zhang Ming began to work in February 2006 and successively took office in Beijing Institute ofAeronautical Materials, AVIC Composite Co., Ltd. (中航複合材料有限責任公司) and other companies.He has served as the director of the honeycomb and core materials department of AVIC CompositeCo., Ltd. (中航複合材料有限責任公司), etc.
Zhang Jianfeng, male, Han ethnic, was born on August 1975 with place of ancestry of Suzhou (Jiangsu Province), is a member of the Chinese Communist Party and graduated with a bachelor of art degree. Mr. Zhang graduated in June 1998 from Wuhan Industrial University (武汉工业大学) specializing in English and started working for Beijing Building Materials Group Co., Ltd. in August 1998. Mr. Zhang is currently the director for the Board Office of BBMG Corporation and a director of Tangshan Jidong Equipment Engineering Co., Ltd.
Mr. Zhang had worked as the cadre and assistant to director of the foreign trade department of Beijing Building Materials Group Co., Ltd., deputy director of the foreign affairs department of BBMG Group Company Limited and the deputy director and office deputy director of the public affairs department of BBMG Corporation.
From August 2009 to March 2016, Mr. Zhang was the deputy director of the Board Office of BBMG Corporation.
From March 2016 to November 2016, Mr. Zhang was the director of the Board Office of BBMG Corporation.
From November 2016 to August 2021, Mr. Zhang was the director of the Board Office of BBMG Corporation and a director of Tangshan Jidong Equipment Engineering Co., Ltd.
From August 2021 to present, Mr. Zhang is the Board Secretary and director of the Board Office of BBMG Corporation and a director of Tangshan Jidong Equipment Engineering Co., Ltd.