
GREEN ECO TECHNOLOGY · MALAYSIA
Catalyst technology. A cleaner tomorrow.
Environmental catalyst solutions for automotive and industrial applications. Connecting Malaysia with Southeast Asia.
Discover the transformationOUR APPLICATIONS
Focused solutions for cleaner air
01Automotive catalysts
Catalysts for gasoline, diesel, natural gas and motorcycle exhaust after-treatment.
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02Industrial catalysts
Catalytic solutions for industrial VOCs and nitrogen oxide emissions.
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03Laboratory testing
Material characterisation and product evaluation supporting catalyst applications.
Learn moreINSIDE THREE-WAY CATALYSIS
From the vehicle. Into the catalyst.
Follow the exhaust pathway, reveal the ceramic honeycomb and explore catalytic transformation.
Explore TWCHOW CATALYSIS WORKS
Small beginnings. Profound change.
Three structures. Three perspectives. Select a catalyst to explore its form and flow.

Three-way catalysis
Oxidation of carbon monoxide and hydrocarbons, alongside reduction of nitrogen oxides in gasoline exhaust.
AI-generated 3D structure and reaction concepts. Product geometry and operating performance may vary.
ABOUT US
In Malaysia. Connected to the region.
We focus on environmental catalyst applications for automotive and industrial customers. From Malaysia, we look towards collaboration across Southeast Asia.
Clean air, practical solutions and long-term collaboration.
Learn moreREGIONAL PERSPECTIVE
From Malaysia to Southeast Asia
A regional outlook around Port Klang, connecting opportunities in Thailand, Singapore and Indonesia.
- Malaysia
- Thailand
- Singapore
- Indonesia
Regional reach illustration. Routes do not indicate company offices or established shipping services.

