Corporate Profile

Mun Siong Engineering Limited is a leading provider of Construction & Integrated Maintenance solutions in Singapore. Our expertise lies in delivering Mechanical, Electrical & Instrumentation services to industries such as Oil & Gas, Process, Petrochemical, Energy, Chemicals, Power and Pharmaceutical. Established in 1969 and headquartered in Singapore, Mun Siong has over 50 years of experience in engineering design, plant construction projects, and integrated maintenance of plants and their equipment. Our commitment to safety and consistency, along with the use of the latest technologies, enables us to provide turnkey solutions that meet the unique needs of our clients. At Mun Siong, we take pride in our sound corporate governance, commitment to business continuity, and corporate social responsibility. Our dedication to safety, quality, and competitive solutions has earned us a reputation as a reliable and progressive company. This has allowed us to expand our global footprint in Malaysia, Taiwan, and the United States. We continuously seek and evaluate new opportunities worldwide, building on our 50 years of track records and long-standing business relationships. With a host of exclusive products and specialized services, Mun Siong is equipped to deliver solutions that are tailored to our clients’ specific requirements. We are committed to pursuing the highest standards of safety and consistency and providing innovative solutions that help our clients achieve their business objectives.

Our Philosophy

Our belief remains the same since our founding time – deliver the best timely and safe competitive solutions.  We believe that credibility is the essence of every business. Thus, we strive to fulfill our clients’ requirements, while adapting ourselves in different circumstances to deliver the best at all times.

Our Vision

We will become the preferred and most trusted turnkey solution provider to customers, colleagues, investors, business partners, and the communities where we work and live.

Our Mission

We dedicate ourselves to be the preferred service provider that thrives on cutting edge Technology, Safety, Quality and Competitive Solutions to achieve customer satisfaction.


In recognition of our unyielding dedication to safety, quality, environmental responsibility and business continuity, we are proud to be certified with the following: 

  • ISO 9001:2015 

  • ISO 14001:2015 

  • ISO 45001: 2018

  • BizSAFE Star 

  • NB Stamp (NBBI) 

  • R Stamp (NBBI) 

  • U Stamp (ASME) 

  • U2 Stamp (ASME) 


At the heart of our company’s philosophy is the belief in continuous improvement. We maintain a high standard of technical competency by equipping our staff with the requisite industrial technical skills and safety knowledge. We have been a Certified On-the-Job Training Centre (COJTC) under the Institute of Technical Education (ITE) since 1995.

Core Values



Customer Focus




Mun Siong Group's commitment to Quality, Safety, Health and Environment (QSHE) practices forms an integral part of our corporate philosophy. We are committed to take due care and interest in the environment, health and safety of our employees, customers, contractors, suppliers and the public. The mission of our SHE Department is to ensure that our Group meets and maintains the safety standards applicable to the oil and gas industry and promotes awareness of work safety to our employees.

Quality Objectives

Flawless Execution 
  • Achieve total customer satisfaction

  • Achieve zero NCR

  • Compliance to statutory and regulatory requirements 

Excellent Quality 
  • Achieve zero rework cases

On Schedule Delivery 
  • Achieve zero backlog cases

SHE Objectives


  • Achieve zero incidents 

  • Identify risks that threatens the health of our employees and ensure that it is kept within acceptable level

  • Monitor the usage of our resources and keep wastage to a minimum 

Board Of Directors

Cheng Woei Fen

Executive Chairlady

Quek Kian Hui

Executive Deputy Chairman

David Tan Chao Hsiung

Non-Executive Lead Independent Director

Mah Kai Leong

Non-Executive Independent Director

Elaine Beh Pur-Lin

Non-Executive Independent Director