Our Board
Xu Cheng Qiu
Executive Chairman
Xu Cheng Qiu is the Executive Chairman of our Group, responsible for the overall management, formulation and implementation of our business strategies. He has more than 30 years of experience in the rubber chemical industry. He joined our Group in 1977, when the predecessor of our subsidiary, Shanxian Chemical, was first established. In December 1998, Mr Xu, together with other employees, executed an MBO and he became the Executive Chairman and General Manager of Shanxian Chemical. He was also honoured with numerous awards, amongst them “Outstanding Entrepreneur” award, from the Heze City Economic and Trade Committee and “Excellent Leader in Technological Innovation” by China Rubber Industry Association (CRIA). Mr Xu is part of a group of Chairpersons spearheading the various committees of CRIA. He obtained his degree in Rubber Chemical Engineering from Shandong Chemical College in 1966 and became a qualified senior engineer in 1989.
Mr Xu is also Chairman of the Company’s Risk Management Advisory Committee (“RMAC”).
Xu Jun
Executive Director
XU JUN is our Executive Director to assist our Chairman, Mr Xu Cheng Qiu, in the strategic planning, direction and overall management of the subsidiary. He joined the Group in 1998 as the head of the management department. In 2003, he was promoted to Assistant to General Manager and subsequently became our Deputy General Manager in 2006. Mr Xu obtained his diploma in Business Administration from Jining University of Technology in 1992 and the ISO9000 Internal Auditor Qualification in 2002.
Xu Yufu
Executive Director & General Manager
of Shandong Sunsine
XU YUFU has more than 40 years of experience in sales and marketing, production, technology and management. Mr Xu oversees the overall management and operations of our China subsidiaries. He worked with several tyre and rubber companies as General Manager (“GM”), Deputy General Manager (“DGM”) or Chief Engineer. From 2012 to 2018, Mr Xu was the Group’s DGM in charge of sales and marketing. From 2018 to 2022, he was the GM of China Aqueous Chemical Corporation Water and Hydrogen Industry Management Service Bureau. From 2022 to 2025, he was DGM of Zhongke Hongye (Guangdong) Hydrogen Energy Technology Co., Ltd, and GM of Guangdong Green Energy Technology (Yuncheng) Co., Ltd. He obtained bachelor’s degree of polymer materials and rubber engineering from South China University of Technology in 1984.
Mr Xu is also a member of the Company’s Risk Management Advisory Committee (“RMAC”).
Tong Yiping
Executive Director and Chief Financial Officer
TONG YIPING was appointed as our Executive Director cum Chief Financial Officer in March 2023. He joined the Group as Group’s Financial Controller in October 2013 and was promoted to Chief Financial Officer in March 2016. Mr Tong is responsible for overseeing the financial operations of the Group. He has more than 20 years of experience as an accounting professional. Prior to joining the Company, Mr Tong was the Finance Manager of China Yuchai International Ltd, a company listed in New York Stock Exchange. Mr Tong is a fellow with the Association of Chartered Certified Accountants, and a member of Institute of Singapore Chartered Accountants. He obtained an honours bachelor degree in Accountancy from Oxford Brookes University, UK.
Mr Tong is also a member of the Company’s Risk Management Advisory Committee (“RMAC”).
Toh Shih Hua
Lead Independent Director
TOH SHIH HUA is our Lead Independent Director and Chairman of the Audit Committee. She was appointed on 26 April 2024. Ms Toh has more than 20 years of financial and banking experience, including capital markets fund raising and corporate advisory. In 2004, Ms Toh founded Genesis Capital Pte Ltd, a corporate finance advisory company, where she continues to serve as a director and is responsible for deal origination and has completed numerous corporate finance transactions including initial public offerings, mergers and acquisitions, takeovers and fund raisings. Ms Toh graduated from the Nanyang Technological University with a Bachelor of Accountancy and is a member of Institute of Singapore Chartered Accountants.
Yan Tang Feng
Independent Director
YAN TANG FENG is our Independent Director. He was appointed on 26 September 2019. Mr Yan has more than 15 years of experience in corporate finance and investment management. He is currently the President of Sinolion Holdings Pte. Ltd., responsible for the overall management of investment management and business operations. He was the Vice President of ICH Capital Group and was later promoted to Senior Vice President, responsible for investment management. Mr Yan was the Non-Executive Chairman of Shengli Oil & Gas Pipe Holdings Ltd and Non-Executive Director of Starrise Media Holdings Ltd, both companies are listed in the main board of Hong Kong Stock Exchange. Mr Yan graduated from Shandong University in July 1994 with a Bachelor’s degree in Engineering.
Liang Cheng
Independent Director
LIANG CHENG was appointed as our Independent Director in March 2023. He graduated with a major in Chemical Engineering from Nanjing Tech University in 1992 and holds a certificate of Senior Chemical Process Engineer. With over 40 years of experience in research, development and information work in fine chemicals, such as rubber chemicals and polymer materials, Mr Liang is skilled in designing and planning blueprints for chemical parks and enterprise development. Currently, Mr Liang serves as the Secretary-General of the Technical Committee of the Jiangsu Chemical Industry Association. He is a member of the Expert Committee of the Rubber Chemicals Committee of the China Rubber Industry Association and is also a member of several expert committees in some government departments in Jiangsu Province and the Expert Committees of Science and Technology Industries in provinces such as Shandong, Jiangxi, Chongqing, and Guangdong. Additionally, he is the Chief Expert of the fine chemical industry chain in Xuzhou City. Mr Liang is also an editorial board member of several major Chinese journals, including “Plastics Science and Technology”, “Polymer and Additives”, “World Rubber Industry”, “Chlor-alkali Industry”, and “Rubber Technology”. He has published over 260 papers in domestic and foreign journals and has given over 80 keynote speeches at domestic and foreign fine chemical conferences. Mr Liang worked at Sinopec Nanjing Chemical Industry Co., Ltd from 1992 until December 2022.
Peh Siew Wee
Independent Director
PEH SIEW WEE was appointed as our Independent Director on 26 April 2024. Mr Peh holds a Bachelor of Business Administration degree from University of Oregon, and a Master of Business Administration from University of Michigan (Ann Arbor). He is currently Director of Corner First Management Consulting Pte. Ltd. (since 2020) and Westlake Health Resources Pte. Ltd. (since 2019). Prior to these, he served as Director at China Capital Impetus Asset Management Pte. Ltd. from 2011 to 2018 and held senior positions at HL Bank Singapore, SBI E2 Capital Asia Securities Pte. Ltd., Raffles Campus (China) Pte. Ltd., CN-Surbana Facilities Management Pte. Ltd., Informatics Holdings (Fujian) Pte. Ltd., Gleneagles (Fujian) Pte. Ltd., and Beijing EM Services Pte. Ltd. from 2000 to 2010. Throughout his career, Mr. Peh has demonstrated a strong commitment to financial expertise and strategic leadership.
Thiew Zong Min, Michelle Magdalene
Independent Director
THIEW ZONG MIN, MICHELLE MAGDALENE was appointed as our Independent Director on 26 April 2024. She holds a Bachelor of Laws degree from the University of Durham, completed in 2007, and is also a Certified Information Privacy Professional/Asia. With over a decade of experience in private practice and in-house roles at leading law firms and various multi-national corporations, Ms. Thiew has established herself as a trusted and solutions-oriented legal professional within the legal community.
Ms. Thiew is currently the Lead, Legal for Therme Group Singapore. Prior to this, she held key legal and compliance roles for Cushman & Wakefield, CBRE, OUE Lippo Healthcare Limited and Jones Lang LaSalle Property Consultants. Earlier in her career, Ms. Thiew worked as a Senior Associate specializing in Corporate Finance at Shook Lin & Bok LLP. Her diverse professional background and extensive legal experience make her a valuable addition to our board of directors.
Key Executives
Zhang Song
Chief Engineer
ZHANG SONG was appointed as the Group’s Chief Engineer, Director cum Deputy General Manager of Shandong Sunsine in October 2020. He is in charge of the Group’s technology, R&D, environmental protection and quality. Mr Zhang joined the Group in 2008 since he has obtained his Master degree in Inorganic Chemistry. He has more than 15 years’ experience in research and development activities, technology upgrading and management. He has joined and led several technological projects organised by China national or provincial authorities, and won numerous rewards. He is also one of the drafters to the Chinese Standards for Insoluble Sulphur.
Mr Zhang is also a member of the Company’s Risk Management Advisory Committee (“RMAC”).
Xu Chi
General Manager Assistant
XU CHI was appointed as the Group’s Deputy General Manager and Vice Chairman of Shandong Sunsine in December 2025. He is in charge of the Group’s procurement as well as communication and cooperation among Directors, Managers and all relevant parties, deliver and submitting information to the Executive Chairman. Mr Xu has more than 30 years’ experience in the sales, procurement, marketing as well as administration.
Yuan Jiale
Deputy General Manager
YUAN JIALE was appointed as the Group’s Deputy General Manager in August 2023 and Director of Shandong Sunsine in December 2024, where he oversees the Group’s Sales and Marketing activities. Previously, he served as the General Manager Assistant, collaborating closely with the Head of Sales Department to manage sales, pricing, and market analysis. With over 15 years of experience in sales and marketing, he possesses a deep understanding of the market and customer dynamics. Mr. Yuan joined the Group in 2008, initially working in the international sales department until 2019. Subsequently, he was promoted to Deputy Head of the Sales and Marketing Department from 2019 to 2021. He obtained his Bachelor’s degree in International Economy and Trading from Shandong Weifang University in 2008.
Mr Yuan is also a member of the Company’s Risk Management Advisory Committee (“RMAC”).
Zhang Shun
Deputy General Manager
ZHANG SHUN was appointed as the Group’s Deputy General Manager and Director of Shandong Sunsine in December 2024. He is responsible for the overall management of antioxidant products and supports the General Manager in production and safety control. Previously, he served as the Deputy General Manager of Shandong Sunsine. Mr. Zhang has over 14 years of experience in production and management, with a particular focus on antioxidant products. He joined the Group in 2010 after earning a Master’s degree in Materials Science from Qingdao University of Science and Technology. From 2013 to 2021, he served as the Head of the RT Workshop at Shandong Sunsine. He was subsequently promoted to GM Assistant, a role he held from 2021 to June 2024, where he oversaw the overall management of antioxidant products at Shandong Sunsine.
Mr Zhang is also a member of the Company’s Risk Management Advisory Committee (“RMAC”).
Xie Chunsheng
Deputy General Manager
XIE CHUNSHENG was appointed as the Group’s Deputy General Manager and Director of Shandong Sunsine in December 2024. He assists the General Manager with facilities and equipment management, including procurement, installation, testing, and maintenance. Previously, he served as the Deputy General Manager of Shandong Sunsine. Mr. Xie has nearly 20 years of experience in equipment management. He graduated from Qingdao University of Science and Technology and obtained his Bacherlor’s degree in the Process Equipment and Control Engineering in 2005. From 2005 to 2007, he worked as a technician at the Construction and Installation Branch of Sinopec Yanshan Petrochemical Company before joining the Group. From 2011 to 2019, he was the Head of the Equipment Department at Shandong Sunsine and was promoted to General Manager Assistant in 2019, a role he held until 2022.