About TOPMARK Transformers

What Our OEM Partners Value

Our OEM partners value our ability to deliver consistent quality, engineering clarity, and dependable manufacturing support across long-term production programs. We work closely with engineering and purchasing teams to ensure technical requirements, compliance considerations, and production timelines are aligned from design through delivery.

• Custom transformer design tailored to specific application requirements

• Stable quality supported by documented manufacturing and testing processes

• Clear engineering communication throughout development and production

• Reliable delivery to support long-term product lifecycles

• Experience working with international OEM customers and export logistics

• Confidential handling of designs and intellectual property

Global OEM Reach

Topmark Transformers supports OEM customers across multiple global markets through Taiwan-based manufacturing and established export processes. Our location in Changhua, Taiwan allows close coordination with material suppliers and efficient access to major ports for international shipment.

• Regions served: Asia, Europe, North America, Australia, and ASEAN

• Key markets: Japan, United States, Germany, and Australia

• Extensive experience with international shipping and export documentation

• Multilingual coordination to support overseas customers

Who We Are (Transformer Manufacturer in Taiwan)

Topmark Transformers is a Taiwan-based transformer manufacturer specialising in the design and production of custom single-phase, dry-type power transformers for audio, lighting, and industrial applications. Founded in 1988 and headquartered in Changhua, Taiwan, we manufacture transformers ranging from 1VA to 2000VA for global OEM customers. With nearly four decades of manufacturing experience, we have built a strong reputation for engineering precision, product reliability and long-term partnership.

Engineering & Manufacturing Approach

We design and manufacture transformers to meet specific electrical, mechanical and regulatory requirements defined by our customers. Our engineering process focuses on performance stability, thermal management, material selection, and long-term durability. All products are manufactured in Taiwan using carefully selected materials, including high-grade electrical steel and high-purity copper windings.
Rigorous testing and quality control procedures are applied throughout production to ensure consistency and reliability across every batch.

Quality & Compliance

Quality is central to every transformer we manufacture. Designs can be developed to meet relevant international standards depending on application requirements, including UL, CE, PSE, VDE, TÜV and SAA. Our quality control processes include incoming material inspection, in-process checks, and final performance testing to ensure each transformer meets defined specifications before shipment.