Directors' Profile

Dato’ Tan Yee Boon, a Malaysian, male, aged 51, is our Independent Non-Executive Chairman. He was appointed to our Board on 2 August 2021.

He obtained his Bachelor of Laws from the University of Glamorgan (now known as the University of South Wales), United Kingdom, in 1997. He subsequently obtained the Certificate of Legal Practice from the Legal Profession Qualifying Board of Malaysia in 1998.

In 1998, he began his career with Cheang & Ariff as a Chambering Student and was admitted as an advocate and solicitor of the High Court in 1999. In the same year, he joined Ranjit Ooi & Robert Low as a Legal Assistant. He subsequently joined Khaw & Partners as a Legal Assistant in 2000, and was made a Partner of the firm in 2011. In 2013, he left the firm and started his own legal practice, David Lai & Tan, where he is currently the Partner of the firm.

He sits on the board of directors of public companies in Malaysia and Hong Kong including TIL Enviro Limited (since 2018), which is listed on the Main Board of the Stock Exchange of Hong Kong. He is also an Independent Non-Executive Deputy Chairman of Propel Global Berhad (since 2022), which is listed on the Main Market of Bursa Malaysia Securities Berhad, and an Independent Non-Executive Director of Feytech Holdings Berhad (since 2023).

He attended four (4) out of five (5) Board of Directors’ meetings held during the financial year ended 31 December 2025.

Wong Choi Ong (“Mr. Wong”), a Malaysian, male, aged 62, is our Non-Independent Executive Director / Managing Director. He is one of the founders of our Group. He was appointed to our Board on 21 August 2020.

Mr. Wong attended Sekolah Menengah Batu Anam in Segamat, Johor from 1978 to 1981. He brings with him approximately 40 years of working experience, of which approximately 30 years were in the construction of palm oil mills and facilities.

He started his career with Ladang Dunlop Estate rubber plantation, where he was a general worker between 1983 and 1984. He subsequently established Wee Lip Welding Works in 1985 in partnership with his friend. Wee Lip Welding Works was involved in the manufacturing of welded metal doors and windows, and he left the partnership in 1990. Subsequently, he joined Pembina Progressive Jaya which was involved in the fabrication of storage tanks and palm oil refinery plant fabrication and erection, in 1991 as a partner and he left the partnership in 1993.

In 1994, he worked as an in-house contractor for Mascot Engineering & Construction Sdn. Bhd. where he was involved in the fabrication and installation of palm oil equipment until 2002. In early 2003, he started to carry out sub-contract work for the fabrication and installation of palm oil equipment for MSHK Engineering Sdn. Bhd. and at the same time he incorporated Lajumax Sdn. Bhd. in May 2003 where he is one of the co-founders to carry out business as a fabrication and installation sub-contractor. Lajumax Sdn. Bhd. was subsequently dissolved in November 2008 as Mr Wong wanted to focus on growing the business of Ecoscience Manufacturing & Engineering Sdn. Bhd. (“EMESB”).

In November 2003, he established EMESB together with Tia Tuan Sim, our Operational and Technical Director. Over the years, he has been instrumental in the growth and development of our Group. He has contributed significantly in penetrating foreign markets including the expansion into Indonesia, Gabon and Liberia. He is responsible for driving the future direction of our Group, development of business strategies and business opportunities, marketing as well as building and maintaining business relationships with our customers. He assumed his current position as our Managing Director on 20 August 2021.

Save for his directorship of the Company, he does not hold any other directorship in public companies and listed corporations in Malaysia.

He attended all five (5) Board of Directors’ meeting held during the financial year ended 31 December 2025.

Thing Jin Suan (“Mr Thing”), a Malaysian, male, aged 43, is our Non-Independent Executive Director. He was appointed to our Board on 1 January 2025.

Mr. Thing has served as a Business Development Director of the Company since 1 August 2021. He is responsible for formulating and implementing the Group’s growth strategies, driving business development initiatives, and overseeing sales and marketing operations.

Mr. Thing graduated with a Bachelor of Chemical Engineering from the University of Sheffield, United Kingdom, in 2005, and subsequently completed a Master of Business Administration at Lancaster University in 2012.

Mr. Thing began his career in 2005 as a Process Engineer at Linde Industrial Gases (M) Sdn. Bhd. before joining Tapis Teknik Sdn. Bhd. as a Sales and Application Engineer. He was subsequently promoted to Regional Sales Manager in 2007. In 2012, he joined Sterling Engineering and Trading Sdn. Bhd. as a Director, where he managed sales, marketing, and overall company operations. In 2015, he joined Ecoscience Manufacturing & Engineering Sdn. Bhd. (“EMESB”) as a Product Development Manager, focusing on business development and strategic growth initiatives. In 2018, he was transferred to Ecoscience Technologies Sdn. Bhd. (“ETSB”), a wholly owned subsidiary of EMESB, as a General Manager, where he spearheaded the Group’s ventured into the renewable energy sector. In 2020, he returned to EMESB and continued to oversee ETSB’s operations. He was promoted to Business Development Director in 2021.

With extensive expertise in engineering, sales, and strategic leadership, Mr. Thing has played a pivotal role in driving the Group’s expansion and diversification efforts.

Save for his directorship of the Company, he does not hold any other directorship in public companies and listed corporations in Malaysia.

He attended all five (5) Board of Directors’ meeting held during the financial year ended 31 December 2025.

Law Sang Thiam (“Mr. Law”), a Malaysian, male, aged 50, is our Independent Non-Executive Director. He was appointed to our Board on 2 August 2021. He is the Chairman of the Audit and Risk Management Committee and a member of the Remuneration Committee and Nomination Committee.

Mr. Law obtained his Bachelor of Accounting from the University of Malaya in 2000. He has been a member of the Malaysian Institute of Accountants since 2003 and Malaysian Institute of Certified Public Accountants since 2004.

He began his career with Arthur Andersen & Co in 2000 as an Audit Assistant before leaving the firm in 2002 to join Ernst & Young (now known as Ernst & Young PLT) as Audit Associate.

During his tenure with the said accounting firms, he was involved in audit assignments of companies in various industries, as well as other engagements involving corporate exercises.

In 2016, Mr. Law left Ernst & Young as an Audit Director to establish his own accounting firm, Ivan Law & Co. In 2017, he established Taxavenue Advisory PLT, a firm in Malaysia providing tax advisory services. He is currently the Managing Partner of both Ivan Law & Co and Taxavenue Advisory PLT.

Mr. Law is an Independent Non-Executive Director of MCE Holdings Berhad (since 2022), a company listed on the Main Market of Bursa Malaysia Securities Berhad, Spring Art Holdings Berhad (since 2018) and iCents Group Holdings Berhad (since 2024), a company listed on the ACE Market of Bursa Malaysia Securities Berhad.

He attended four (4) out of five (5) Board of Directors’ meeting held during the financial year ended 31 December 2025.

Ang Chye Kian (“Ms. Ang”), a Malaysian, female, aged 64, is our Independent Non-Executive Director. She was appointed to our Board on 2 August 2021. She is the Chairperson of the Remuneration Committee and a member of the Nomination Committee and Audit and Risk Management Committee.

She obtained her Diploma of Managerial Principles from Stamford College Singapore in 1981. In 1991, she was admitted as an associate of the Malaysian Institute of Management.

Ms. Ang began her career with the Malaysia Shipyard and Engineering Sdn. Bhd., a shipbuilder and fabricator, as an Audit Assistant in 1982. She left the company in 1985 and joined MUI Finance Berhad, a financial services company, as an Account Assistant until 1989. In 1990, she joined AmBank (M) Berhad as a credit control officer responsible for administration, collection and litigation. She was subsequently promoted to Documentation and Disbursement Officer, a position she held from 1994 to 1996 before being promoted to Senior Marketing and Processing Officer from 1997 to 2000. Subsequently, she took up the position of Senior Credit Executive of rehabilitation and restructuring division within AmBank (M) Berhad from 2001 to 2005 before being promoted to Manager, and was responsible for loans approval in Retail Financing from 2006 to 2011. She was the Head, Manager in Lending Operations from 2012 to 2014 and subsequently held the post of Head, Manager for Credit Process and Evaluation from 2015 until her retirement from AmBank (M) Berhad in 2017.

Save for her directorship of the Company, she does not hold any other directorship in public companies and listed corporations in Malaysia.

She attended all five (5) Board of Directors’ meeting held during the financial year ended 31 December 2025.

Shu Ling Ling (“Ms. Shu”), a Malaysian, female, aged 44, is our Independent Non-Executive Director. She was appointed to our Board on 3 June 2025. She is the Chairperson of the Nomination Committee and a member of the Remuneration Committee and Audit and Risk Management Committee.

She graduated in Bachelor in Accountancy and Finance from University of Abertay Dundee, Scotland, United Kingdom. She also obtained her Diploma in Financing Accounting from Systematic College, Malaysia.

Ms. Shu has more than 10 years of experience in corporate finance and financial management. She has held senior positions in both public-listed and private entities across diverse sectors including finance, technology, trading, and manufacturing. Throughout her career, she has consistently demonstrated strategic leadership, financial acumen, and stakeholder engagement capabilities.

Save for her directorship of the Company, she does not hold any other directorship in public companies and listed corporations in Malaysia.

She attended all two (2) Board of Directors’ meeting held during the financial year ended 31 December 2025 after her appointment as director on 3 June 2025.