Discover Our Story in Engineering Excellence
SYARIKAT ONG YOKE LIN SDN BHD a private limited company set-up in 1948 is one of the longest established air conditioning and mechanical ventilation contractor in Malaysia. Since then, we have grown from a handful of staff to more than 150 people employed within the companies and our core activities are in the design, supply, installation and maintenance of air conditioning and mechanical ventilation system for prestigious office building commercial complex, government buildings, factories, hotels, indoor stadiums and schools. Other related activities includes industrial pipings, process cooling system and energy savings available for existing plants.
SOYL’s Journey to Becoming the Top Local HVAC Installation Provider
SOYL is committed to maintaining its position as Malaysia’s HVAC installation provider of choice – renowned for delivering high-quality services through its focus on excellence, innovation and reliability
SOYL aims to further penetrate the data centre and healthcare sectors, delivering HVAC solutions tailored to the needs of these critical industries
Company Established
Founded as Ong Yoke Lin Sdn. Bhd.
Opening Branches
▪ Opened Kuala Lumpur Branch in 1962
▪ Opened Penang Branch in 1971
▪ Opened Johor Bahru Branch in 1981
▪ Opened Ipoh Branch in 1983
Started 1st Hypermarket Job
Completion of Project KLIA
Completion of Project KLIA4
- Floor Area – 800,000 sqm
- Cooling Tonnage – 4,850 RT
Completion of Project MyTown & KLSC
Completion of Project MyTOWN
- Floor Area – 1,090,000 sqm
- Cooling Tonnage – 7,000 RT
Completion of Project KLSC
- Floor Area – 12,900,000 sqm
- Cooling Tonnage – 2,400 RT
Best Safety and Outstanding Safety Performance
Get into Data Center
We provide highest level of professionalism by producing high quality services and customer satisfaction.
Veteran Management Team
Well-supported by Dedicated Team
SOYL’s strong foundation is built on the expertise and dedication of its accomplished senior leadership who drive the firm’s strategic direction and long-term success

Mr. Lin Heng Huat
(General Manager)
>30 years of experience
in the HVAC industry
>30 years with SOYL

Ms. Tracy Chia
(Account Manager)
>30 years of
accounting experience
>15 years with SOYL

Mr. Hue Kin Fei
(Service Division Manager)
>30 years of experience
in the HVAC industry
>30 years with SOYL

Mr. Lim Cheng Teck
(Project Division Manager)
>20 years of experience
in the HVAC industry
>20 years with SOYL
Senior leadership is supported by a deep bench of autonomous branch leaders who collaborate closely to ensure operational excellence

Mr. Cho Wee Liang
(Branch Manager, Johor Bahru)
>30 years of experience in the
engineering industry
>30 years with SOYL

Mr. Soo Too Yew Wah
(Branch Manager, Ipoh)
>30 years of experience in HVAC
industry
>30 years with SOYL

Mr. Hayden Tan Boon Lee
(Branch Manager, Penang)
>10 years of experience in HVAC
industry
>10 years with SOYL
500+ clients
Our commitment to quality, innovation, and reliability has consistently earned the trust and confidence of SMEs.
Start Your Project Today
Ready to Power Your Next Project?
We have a team of qualified and experienced personnel that are trained to execute the project with the assistance of sophisticated software including for cooling load estimation and analysis, tendering and cost estimation.
