DIANDUO semiconductor facility

Welcome to DIANDUO

Your Trusted Partner in
Semiconductor Air Waste Solutions

Pioneering clean air technology for semiconductor and industrial facilities across Malaysia and beyond.

10+ Years of Experience
50+ Projects Delivered
100% Compliance Rate
24/7 Support Available

About DIANDUO

EnviroTech Solutions for a Cleaner Future

DIANDUO (M) SDN BHD is a leading provider of innovative solutions for semiconductor air waste management. We specialise in high-performance Stainless Steel Teflon Coated Ducting and cutting-edge process exhaust gas treatment systems.

Our mission is to help semiconductor and industrial facilities maintain the highest standards of air quality and environmental compliance — efficiently, reliably, and sustainably.

Learn More About Us
DIANDUO industrial facility

What We Do

Our Core Services

Comprehensive air waste management solutions tailored to the semiconductor industry.

Teflon-Coated Ducting

High-quality stainless steel teflon-coated air ducting systems designed for maximum durability and corrosion resistance in harsh semiconductor environments.

Exhaust Gas Treatment

Cutting-edge process exhaust gas treatment systems that ensure compliance with environmental regulations while maintaining operational efficiency.

Dampers & Airflow Control

Precision-engineered dampers ensuring optimal airflow control across your facility, built to withstand the demands of continuous industrial operation.

Compliance Consulting

Expert guidance on environmental regulations and air quality standards, helping you stay compliant and ahead of evolving industry requirements.

DIANDUO products

Our Products

Engineered for Performance

Our product range includes high-quality teflon-coated stainless steel air ducting and dampers — ensuring durability, corrosion resistance, and optimal airflow control for semiconductor manufacturing environments.

  • Stainless steel teflon-coated construction
  • Superior corrosion resistance
  • Optimised airflow performance
  • Custom-engineered to specification
View All Products

Not sure where to begin?

Let us help you find the right solution for your facility. Our team of experts is ready to assist.

Talk to Our Team

Careers

Shape the Future With Us

Join a team where cutting-edge intelligent technologies enable world-leading innovators. At DIANDUO, you'll work on solutions that make a real impact on the environment and the semiconductor industry.

View Open Positions

Investor Relations

Building Long-Term Value

We are committed to building long-term value through innovation and strategic partnerships. Stay updated with our latest financial results and corporate announcements.

Investor Information

Get in Touch

Contact Us

Ready to discuss your air waste management needs? Reach out to our team today.

Address

Port Klang, Selangor, Malaysia

Phone

+603-3176 1314

Email

info@dianduo.com.my