Custom-made
Transformers.
Powering
Sustainable Solutions
since 1951.
Our company
Since 1951, Saengthong Transformers (STT) has specialized in designing and manufacturing EI, toroidal, and ferroresonant transformers of exceptional quality and reliability. Decades of experience and in-depth technical expertise ensure that every product we craft meets the highest industry standards. Our long-standing heritage translates into consistent performance, precision, and trustworthiness.
We stand apart through our ability to deliver custom solutions tailored to the unique needs of our clients, no matter the industry or application. Our extensive experience, combined with a steadfast commitment to sustainability, empowers us to serve a global clientele with energy-efficient transformers that drive innovation, efficiency, and a greener future.
Our Products
At Saengthong Transformers, we specialize in crafting high-quality EI, toroidal, and ferroresonant transformers that meet the precise requirements of professionals who understand their power needs. Since 1951, we’ve combined engineering expertise with meticulous craftsmanship to deliver reliable, energy-efficient, and fully customisable solutions that help power industries worldwide. All products are custom-made to order. Please contact us for quote below.
EI Transformers
Toroidal Transformers
Choke
Powerline Conditioner
Our EI transformers are built on decades of technical know-how, delivering dependable performance and durability in a wide range of applications. Custom to your exact specifications, these transformers offer stable operation and are engineered to stand the test of time.
Compact, efficient, and virtually silent, our toroidal transformers reduce both energy loss and electromagnetic interference. Each unit can be tailored to suit your system’s unique requirements, ensuring efficient power conversion and smoother operation.
Our choke products are designed to meet the highest standards of performance and reliability. Each product is custom-built to ensure optimal performance in managing electrical currents, reducing noise, and improving power quality.
For situations demanding rock-solid voltage regulation and steadfast reliability, our ferroresonant transformers provide unparalleled power quality. With proven engineering expertise, we create solutions that maintain consistent output, enhance system stability, and support long-term operational efficiency.