aged 43, was appointed as an Executive Director on May 22, 2015. He also served as the general manager of Prinx Chengshan (Shandong) Tire Co., Ltd. (“Prinx (Shandong) Tire”), one of the subsidiaries of the Company, from April 2017 to January 2021. Mr. Che joined the Group in December 2005. He is a director of all subsidiaries of the Company (excluding Prinx Chengshan (Qingdao) Industrial Research and Design Co., Ltd. (“Prinx (Qingdao)”), Shenzhen Zhianda Tire Technology Service Co., Ltd., Prinx Chengshan Europe GmbH (“Prinx (Europe)”) and Prinx Chengshan Tire North America LLC （“Prinx NA“）.). Mr. Che was also a Chief Executive Officer until August 1 st 2026. He has nearly 20 years of experience in the automotive tire industry. Prior to joining the Group, Mr. Che was a staff of Chengshan Group Co., Ltd. (“Chengshan Group”), the controlling shareholder of the Company, from December 2003 to May 2010, where he was responsible for handling asset management and relations with external parties. In June 2010, Mr. Che was appointed as the assistant of general manager in Shandong Haizhibao Ocean Technology Company Limited. In December 2010, Mr. Che was appointed as the chairman of Rongcheng Chengshan Construction Property Limited Company.
Mr. Che obtained a bachelor’s degree in computer science and technology from University of Science and Technology Beijing in Beijing, the PRC in July 2003. He further obtained a master degree in business administration from Bond University, Queensland, Australia in October 2015.
Mr. Che is the son of Mr. Che Hongzhi, the chairman of the Board and a non-executive Director
aged 56, was appointed as an Executive Director on October 28, 2015. Mr. Shi joined the Group in May 2004 as a financial director and was promoted to a director and vice-general manager of Prinx (Shandong) Tire in November 2014, and ceased to serve as the chief financial officer from June 2023. He is a director of Prinx Investment Holding Limited (“Prinx Investment”), Jinan Zhianda Tire Service Co., Ltd., Zhianda (Shanghai) Tire Service Co., Ltd., Anhui Prinx Chengshan Tire Company Limited, Prinx Chengshan Tire (Thailand) Company Limited (“Prinx Thailand”) and Prinx Tire (Malaysia) SDN. BHD. (“Prinx Malaysia”), all being subsidiaries of the Company. He has over 30 years of experience in accounting and financial management in the PRC.
Mr. Shi obtained a master degree in company finance from the University of Salford in the United Kingdom in December 2002. He was admitted as a non-practising certified accountant by the Chinese Institute of Certified Public Accountants in 1995. Mr. Shi was recognised as a Senior International Finance Manager by the International Financial Management Association in December 2011. He was awarded with the first stage of high-end accounting personnel training engineering enterprises certificate by Shandong Provincial Party Committee Organisation Department, the Shandong Province Finance Bureau and the Shanghai National Accounting Institute in April 2014. Since January 2016, Mr. Shi has been a fellow member of the Chartered Institute of Management Accountants (“CIMA”) in the United Kingdom and a Chartered Global Management Accountant of the American Institute of Certified Public Accountants in the United States, respectively.
aged 53, was appointed as an Executive Director on March 28, 2024. He was also appointed as a director of Prinx (Shandong) Tire, Prinx Thailand and Prinx Malaysia (each being a subsidiary of the Company), respectively. He joined the Company in August 2019 as an assistant to the general manager. He has been the deputy general manager of the Company since January 2020, the vice president of the Company and the director of the production and operation centre of the Company, the general manager and the director of the technology centre of Shandong Company since January 2021. Since November 2022, he has been serving as the executive vice president of the Company. Since December 30, 2024, he has been serving as the executive president of the Company, and ceased to concurrently serve as Director of Production & Operations Center and General Manager of Shandong Subsidiary. He was appointed as the President of the Company on 1 August 2026. Prior to joining the Group, Mr. Jiang held various technical and management positions in Anhui Giti Tire Co., Ltd. from July 1995 to May 2013; he served as the general manager of Fujian Giti Tire Co., Ltd. and the general manager of Giti Co., Ltd., (a company listed on the Shanghai Stock Exchange, stock code: 600182), from June 2013 to June 2015; he served as the general manager of Anhui Giti Tire Co., Ltd. from July 2015 to August 2017; and he served as the manufacturing director of Giti Tire (China) Investment Co., Ltd. from September 2017 to July 2019.
Mr. Jiang graduated from Hefei University of Technology with a major in polymer materials and obtained his bachelor degree in July 1995. He graduated from the Wisconsin International University in the United States in December 2002 with a master’s degree in Executive Master of Business Administration (EMBA).
aged 69, was appointed as a Director on May 22, 2015. He was re-designated as non-executive Director on March 5, 2018. He was also appointed as the chairman of the Board and the chairman of the Development Strategy and ESG Committee. He is the founder of the Group. Mr. Che is a director of all subsidiaries of the Company (excluding Prinx (Europe), Qingdao Zhianda Investment Co., Ltd. and Prinx Chengshan Tire North America Inc.). He is also the legal representative of two PRC subsidiaries of the Company. He ceased to act as a Director of Prinx Chengshan (Hong Kong) Tire Limited (“ Prinx Hong Kong Tire”) and Prinx (Hong Kong) Rubber Limited (“Prinx Hong Kong Rubber”) with effect from 15 July 2026. Mr. Che is responsible for providing professional opinion and strategic direction to the Group. Since December 2003, he has been the chairman and executive director of Chengshan Group. He has over 20 years of experience in tire production industry. Prior to establishing the Group, Mr. Che was the chairman of Shandong Chengshan Tire Company Limited from October 2000 to May 2010.
Mr. Che obtained a professional certificate in chemistry from Yantai Education College, in July 1987. He was awarded as a national model worker by the State Council of the PRC in April 2005. He was further being credited as an outstanding provincial party member by Shandong Provincial Party Committee, the PRC in June 2016. Mr. Che is the father of Mr. Che Baozhen, an executive Director.
aged 42, was appointed as a non-executive Director on February 24, 2020. In July 2007, Mr. Shao served as a general accountant of group finance department of China National Heavy Duty Truck Group Co., Ltd. In May and November 2012, he served as a trainee assistant to the general manager of sales department of China Heavy Truck Group Ji’ning Commercial Truck Co., Ltd. and a trainee assistant to the general manager of specialised vehicles segment of China Heavy Truck Group, respectively. In July 2014, he was appointed as the finance manager of Sinotruk (Hong Kong) Capital Holding Limited. In August 2018, he became the first level business supervisor of finance department of China Heavy Truck Group International Co., Ltd. In December 2018, he served as the managing director of Sinotruk (Hong Kong) International Investment Limited. In February 2022, he served as the financial controller of China National Heavy Duty Group Jinan Axle & Transmission Co., Ltd. In April 2022, he served as the financial controller of SINOTRUK International Co., Ltd. In February 2023, he served as the financial controller of light truck sales department and light truck manufacturing factory of China National Heavy Duty TRUCK Group Jinan Commercial VEHICLE Co., Ltd. In June 2025, he served as the financial controller of China Heavy Truck Group International Co., Ltd.
Mr. Shao obtained a bachelor’s degree in accounting from Shandong University in the PRC in July 2007 and was granted intermediate accountant certificate in August 2011.
aged 39, was appointed as a non-executive director on March 28, 2024. Ms. Wang has been serving as the assistant to the general manager at Founder Digital Publishing Technology (Shanghai) Co., Ltd. from June 2011. From May 2014, she has been serving as assistant to the chief financial officer, assistant to the president, and securities affairs commissioner of InfoTM Micro-Electronics Co., Ltd, (a company listed on the Shenzhen Stock Exchange, stock code: 000670). She has been serving as the senior consultant and the senior consulting manager of Shanghai InFaith Group Co., Ltd from May 2020 and December 2020 respectively. Since February 2022, she has been working in the board office of Red Avenue New Materials Group Co., Ltd., (a company listed on the Shanghai Stock Exchange, stock code: 603650), and was appointed as the securities affairs representative by the board of directors of the company in April 2022.
Ms. Wang graduated from Qingdao University of Science and Technology in July 2009 with a bachelor’s degree in business administration. She obtained the securities practitioner qualification certificate in June 2015. In March 2017, she obtained the qualification certificate of board secretary issued by the Shenzhen Stock Exchange. She obtained the certificate of certified public accountant in March 2021 and became a non-practicing member of the Chinese Institute of Certified Public Accountants. In November 2022, she attended the 1st pre-appointment training for the board secretary of the Shanghai Stock Exchange in 2022 and successfully passed the test. In February 2023, she obtained the board secretary pre-appointment training certificate. In March 2024, she obtained the legal professional qualification certificate of the People’s Republic of China.
aged 68, was appointed as an independent non-executive Director, the Chairman of the Nomination and Remuneration Committee and a member of each of the Audit Committee and the Development Strategy and Risk Management Committee on September 9, 2023. He was a senior partner of King & Wood Mallesons. With effect from January 2026, he has been a senior partner of Beijing Danghong Qingtian Law Firm. His major areas of practice include securities, finance, investment, financing, real estate, corporate, maritime commerce, insolvency, litigation as well as foreign-related legal affairs. He has a solid legal theory foundation and extensive legal practise experience. In the past 30 years, he has been adhering to the front line of project hosting work, enjoying a high reputation in the industry and among peers. Mr. Jin is one of the first lawyers who were granted Security Qualification Certificate in the PRC, focusing on securities-related legal affairs for more than 30 years. He was the general legal counsel of the Shenzhen Stock Exchange and a member of the Listing Regulatory Council. He is currently a legal counsel of various financial institutions, securities companies and listed companies at home and abroad. Mr. Jin is currently an independent non-executive director of Times China Holdings Limited (a company listed on the Stock Exchange, stock code: 1233), Central Development Holdings Limited (a company listed on the Stock Exchange, stock code: 475) and Goldstream Investment Limited (a company listed on the Stock Exchange, stock code: 1328); a director of Shenzhen Kingkey Smart Agriculture Times Co., Ltd. (a company listed on the Shenzhen Stock Exchange, stock code: 000048); an independent director of Zhongtai Securities Co., Ltd. (a company listed on the Shanghai Stock Exchange, stock code: 600918); and an independent director of Invesco Great Wall Fund Management Co., Ltd. Since January 2026, Mr. Jin has been a non-executive director and the chairman of the board of Goldstone Capital Group Limited (01160). Mr. Jin served as an independent director of Shenzhen Cheng Chung Design Co., Ltd. (a company listed on the Shenzhen Stock Exchange, stock code: 002811), an independent non-executive director of Guotai Junan Securities Co., Ltd. (a company listed on the Stock Exchange, stock code: 2611 and the Shanghai Stock Exchange, stock code: 601211), Bank of Tianjin Co., Ltd. (a company listed on the Stock Exchange, stock code: 1578) and Sino-Ocean Group Holding Limited (a company listed on the Stock Exchange, stock code: 3377). Mr. Jin is also a part-time professor of the Chinese Academy of Governance, a part-time professor of the Law School of Renmin University of China, an arbitrator of the Shenzhen Court of International Arbitration, a mediator of the Shenzhen Securities and Futures Dispute Resolution Centre, an arbitrator of the South Africa International Commercial Arbitration Centre, a member of the Inter-Pacific Bar Association, a PRC legal counsel of the US Court of Appeals for the Washington D.C. Circuit and a member of the National Equities Exchange and Quotations Review Committee.
Mr. Jin graduated from the Foreign Language Department of Anhui University with a bachelor’s degree in English and American literature in 1982. He graduated from the Graduate School of China University of Political Science and Law with a master’s degree in international law in 1987. In 2009, he received a completion certificate for a research programme from the John F. Kennedy School of Government at Harvard University.
aged 66, was appointed as an independent non-executive Director and a member of each the Audit Committee and Development Strategy and Risk Management Committee with effect from September 10, 2018. Mr. Wang has been the director of Academic Division of Engineering in Qingdao University of Science & Technology since December 2016. In November 2015, Mr. Wang was appointed as the distinguished expert by Taishan Scholars and was awarded the Taishan Scholar Climbing Plan (泰山學者攀登計劃) Expert in 2020. Mr. Wang was a teacher of the mechanical faculty in Shandong Institute of Chemical Engineering from July 1982 to September 1984. Mr. Wang has been working at Qingdao University of Science & Technology (previously known as Qingdao Institute of Chemical Technology) (the “University”) since September 1984. From September 1984 to November 1984, Mr. Wang was a teacher in mechanical engineering faculty at the University. During the period between November 1984 and June 1995, he was the vice office manager of the chemical machinery faculty at the University. From June 1995 to December 1995, he acted as the vice-manager of the mechanical engineering faculty. Mr. Wang was promoted to the position of vice-principal of the machinery engineering faculty in December 1995, In March 2002, he was further promoted to the vice-principal of the electromechanical engineering faculty of the University. From April 2004 to December 2016, Mr. Wang was the head of the electromechanical engineering faculty of the University before he was promoted to the current position.
Mr. Wang obtained a doctorate degree in chemical process machinery from the School of Mechanical and Electrical Engineering of Beijing University of Chemical Technology in the PRC in June 2000. He was recognised as the professor of Qingdao University of Science & Technology by Shandong Province Higher Education Teacher Position Advanced Review Committee in December 1999.
Mr. Wang was awarded the “Second Prize of National Science and Technology Progress Award” by the State Council of the PRC in December 2001 for his “Synchronous Rotor Mixer Technology”, and was further awarded the “Second Prize of National Science and Technology Progress Award” by the State Council of the PRC in December 2011 for his “Industrialisation of Waste Rubber and Waste Plastics Pyrolysis of Resources Utilisation of Complete Sets of Technology and Equipment”. In October 2013, Mr. Wang was recognised as the National Oil and Chemical Outstanding Science and Technology Worker by the China Petroleum and Chemical Industry Federation. In August 2020, Mr. Wang was granted the title of the “Doctor of the Chemical Industry and Engineering Society of China (CIESC)” by the CIESC. In September 2019, he was granted the medal in commemoration of the 70th anniversary of the PRC by Chinese Communist Party Central Committee, the State Council and China’s Central Military Commission. In 2023, Mr. Wang won the Third National Innovation Award (第三屆全國創新爭先獎) and the Qingdao Science and Technology Highest Award (青島市科技最高獎).
aged 47, was appointed as our independent non-executive Director, chairman of the Audit Committee, and a member of the Nomination and Remuneration Committee with effect from March 1, 2026. Mr. Chan has been appointed as an independent non-executive director of Luyuan Group Holding (Cayman) Limited (a company listed on the Stock Exchange, stock code: 2451) since June 2023. Besides, Mr. Chan has been appointed as an independent non-executive director, chairman of audit committee, a member of nomination committee and remuneration committee of Ziyuanyuan Holdings Group Limited (a company listed on the Stock Exchange, stock code: 8223) since June 2018. Mr. Chan has been appointed an independent non-executive director and chairman of the remuneration committee of Sisram Medical Ltd (a company listed on the Stock Exchange, stock code: 1696) since August 2017. Previously, he served as an independent non-executive director and chairman of audit committee of Jinke Smart Services Group Co., Ltd. (a company listed on the Stock Exchange, stock code: 9666) from October 2020 to June 2023. Mr. Chan has been the managing director of Red Solar Capital Limited since October 2017. He also served as the managing director of LY Capital Limited from May 2016 to October 2017, deputy managing director of VBG Capital Limited from May 2015 to April 2016, respectively. From December 2011 to April 2015, he worked at CITIC Securities International Company Limited, and his last position was a director at corporate finance department. From August 2007 to December 2011, he worked at BNP Paribas (Asia Pacific) Limited and his last position was an associate of the corporate financing department. He also served as an associate at the corporate finance department of CCB International Capital Limited in Hong Kong from July 2006 to July 2007, the officer of corporate financing department of Kingsway Group in Hong Kong from January 2005 to June 2006 and staff accountant of Ernst & Young from September 2001 to March 2004, respectively.
Mr. Chan obtained his bachelor’s degree in business administration with a major in Accounting from the Hong Kong University of Science and Technology in Hong Kong in November 2001. Mr. Chan was admitted as a member of the Hong Kong Institute of Certified Public Accountants in October 2005.
