Serai Harmoni Sdn. Bhd., wholly owned and managed by Thung Hing
brings over three decades of expertise in manufacturing and distributing high-quality metal products for the construction and building industry.
Driven by research and innovation, Serai Harmoni developed the Harmoni Fire Rated Door Sets brand to strengthen its leadership in the industry.
For fire doors in Malaysia, HarmoniDoor is a top choice. We offer high-quality fire-resistant door sets suitable for both private and commercial premises. Each door is crafted from superior wood and treated with advanced fire-resistant coatings, ensuring exceptional durability and safety.
SH HarmoniDoor Sets
SH HarmoniDoor sets provide the highest screw-holding capacity while seamlessly blending with modern interior designs. Clients can choose from single or double-leaf options, including doors insulated for sound.
Since 1983, SH HarmoniDoor has built trust through continuous product research and innovation, delivering fire doors that combine maximum safety, functionality, and elegant design.
Single Door Leaf
Double Door Leaf
Mission & Values
Our Mission Statement
We are committed to helping our clients, business partners, and associates grow by delivering innovative, research-driven building material solutions. Our mission goes beyond products — we provide reliable support, consistent service, and expertise to ensure every project succeeds.
Our Core Values
Our success is built on three key principles:
We design every product with our clients' needs in mind.
We work hand-in-hand with craftsmen and suppliers to create win-win partnerships that ensure long-term business sustainability.
We prioritize product innovation at every level to meet the evolving needs of the market.
7 Reasons Why Clients
Choose to Work with us
Understanding Market Needs
With over 30 years of experience through the Thung Hing Group, Serai Harmoni delivers top-quality products and services to the building and construction industry. We also engage regularly with industry stakeholders to stay up-to-date with evolving market trends and customer needs.
Excellent in Design
Serai Harmoni’s fire-resistant door solutions are crafted to balance form, function, and beauty. Decades of industry experience give us a deep understanding of how our products perform, allowing us to create solutions that work efficiently while complementing the aesthetics of modern architecture.
Quality Control Assurance
Serai Harmoni is committed to delivering the highest quality and safety standards. Backed by the group’s ISO 9001 and SIRIM certifications, we apply rigorous quality management practices to every step of our manufacturing process, ensuring our products consistently meet uncompromised standards.
Service Superiority
User experience is a cornerstone of Serai Harmoni’s success. We strive to make every client interaction smooth and enjoyable, from start to finish. Known for our exceptional pre- and post-sales support, our team goes the extra mile to ensure your expectations are consistently met.
Speedy delivery
With manufacturing plants located in the central, northern and southern regions of Malaysia, Serai Harmoni is able to deliver to clients across the nation. The company is also equipped with own logistics team to handle both local and overseas delivery.
Synergistic Collaborations
To maintain consistent quality and drive innovation, Serai Harmoni partners with international suppliers of door accessories and raw materials. These strong collaborations ensure a steady supply of high-quality materials, enabling us to produce durable and innovative products for our clients.
A Strong Company
With over three decades of experience as part of the Thung Hing Group, Serai Harmoni has demonstrated resilience through changing economic conditions and industry shifts. Our stability and continued growth provide clients with complete confidence and peace of mind.
