Choon Hin started off with Choon Hin Engineering Works Sdn. Bhd. as an engineering company which was founded in 1948 and incorporated in 1974. With more than 70 years in the industry, we are able to offer turnkey project delivery solutions of steel work fabrication, civil and structural, mechanical and electrical installation in various industries including palm oil, cement, tiles, chemical, food and beverage, paper and etc.

Choon Hin never cease to grow but keep on developing and exploring new technologies to the market. In year 2000, Choon Hin Environmental Sdn. Bhd.was set up and among the pioneer environmental companies in Malaysia to provide solutions for the environmental pollution control in waste water and biogas.

Air pollution is a problem that has risen in the recent past. More specifically, the last 30 years have led to the greatest contribution to air pollution due to rapid industrialization in Malaysia. To provide solutions to this, Choon Hin associated with Excel Air Engineering Sdn Bhd. , a company with vast experience and expertise in dealing with air pollution in year 2017 to help keep our environment healthy for years to come.


Choon Hin Environmental Sdn Bhd specialized in design, fabrication and construction of effluent treatment and polishing systems. Our wide-ranging experience in waste water treatment includes specialized industrial discharge treatments, high rate treatment processes, biological filtration systems and packed tower treatment systems.


Excel Air’s ability to provide a complete range of air pollution control technologies and combinations places the company in a unique position to select the most suitable technology for each application. The company is dedicated to developing and implementing solutions that safely and cost-effectively address complex air pollution challenges.


Our core values set us apart from our competitors and sustain us to stand strong in the market for the past seventy-two years and continue to grow.

Customer Focused
We are attuned to our customers’ needs and respond to them with affordable, operationally proven, comprehensive solutions that offer a qualitative performance advantage at competitive cost.

Employee Excellence
Our greatest strength lies in the skill, judgement and talent of our employees. We employ a world-class, motivated, team-spirited workforce, and create a dynamic atmosphere in which employees may flourish and reach their highest potential.

Innovation, Creativity and Technological Leadership
We aim to develop and cultivate an environment that nurtures innovation, creativity and technological leadership.

Teamwork and Synergy
Positive interaction and mutual trust form the basis for achieving our goals. In our complex world, cooperation and teamwork lead to synergy.

Accountable Leadership
We are committed to the success of our company through personal responsibility and leadership.

Honesty and Ethics
Honesty, respect and integrity are the key principles that guide us. Social Sustainability.