About TOPMARK Transformers

What Our Partners Value

• Custom transformer design tailored to specific application requirements

• Consistent quality supported by controlled manufacturing processes

• Reliable performance under demanding operating conditions

• Efficient production planning and dependable delivery timelines

• Respect for confidentiality and intellectual property in OEM collaborations

Global Reach

• Serving OEM customers across Asia, Europe, North America, and Australia/New Zealand (ANZ)

• Supporting key international markets including Japan, the United States, Germany, and Australia

• Manufacturing operations based in Changhua, Taiwan, with close access to key material suppliers and major international ports

• Experienced in export-oriented manufacturing, international logistics coordination, and cross-border documentation

• Providing clear communication and multilingual coordination for global OEM partners

Topmark Transformers is a Taiwan-based manufacturer specialising in the custom design and production of power transformers and finished assemblies for audio, lighting and industrial applications worldwide.

Who We Are

Founded in 1988, Topmark focuses on OEM transformer manufacturing, supporting equipment manufacturers with application-specific power solutions. From our beginnings serving Taiwan’s growing industries, we have steadily expanded our manufacturing facilities and production capabilities to support customers globally.

All products are designed and manufactured in Taiwan, with a consistent emphasis on engineering accuracy, product reliability and long-term performance.

Experience & Capability

With nearly four decades of manufacturing experience, Topmark has developed deep expertise in transformer design and production. Our operations combine engineering know-how with skilled craftsmanship, supported by ongoing investment in R&D, production processes and workforce training.

Rather than competing on volume alone, we focus on delivering well-engineered solutions that provide long-term value and dependable performance in demanding applications.

Our Approach

Topmark takes an engineering-led and customer-specific approach to transformer manufacturing. Every project is treated individually, with close attention to electrical requirements, regulatory considerations, and manufacturability.

We work closely with our partners to deliver reliable, efficient, and application-optimised transformer solutions, supported by disciplined production practices and clear technical communication.