Welcome to TAILI® — Taiwan’s Professional Variable Transformer Manufacturer founded in 1993 in Northern Taiwan, TAILI® specializes in the research and manufacturing of high-quality Variable Auto Transformers (VARIAC), also known as Voltage Regulators (VOLTAC). Originally focused on supporting local industry and infrastructure, we have grown over 30 years into a well-respected professional manufacturer. Our product range includes Variable Transformers(Slide Voltage Regulators) (TL-SLIDAC), Automatic Voltage Regulators (TL-AVR), Induction Voltage Regulators (TL-IVR), Power Transformers, high and low-voltage transformers, Isolation Transformers, Specialized Transformers(TL-TR), Puncture / Insulation Tester(TL-LH) and Torque motor controllers(TL-TM). At the same time, we have also long been dedicated to the development of Customized Variable Transformers(Customized Voltage Regulators).

With the rapid development of technology, the booming construction of AI data centers, and the massive demand for electric energy, our products play an indispensable role. Our applications range from equipment load testing to voltage adjustment and stabilization in power equipment systems. At TAILI®, quality is our top priority. We strictly select raw materials and follow standardized production processes to ensure stable and excellent transformer performance. MADE in TAIWAN, our products are certified with EU CE standards (EN/IEC 61558-1, EN/IEC 61558-2-13) to meet international safety and quality standards.

We have supported major domestic and international companies including Delta Electronics, Shihlin Electric, TECO Electric, Philips Taiwan, UL Taiwan, Mitsui & Co. Japan, Miike Mining Co. Japan, and Mitsubishi in Canada and Thailand with project solutions. Additionally, we provide equipment and products to public sector organizations such as Taiwan Power Company and various foreign embassies.

TAILI is more than a brand name — it represents our core philosophy and corporate culture:
 

Looking ahead, TAILI® will continue to enhance product technology and service quality, expand internationally, and strive to be a global leader in variable transformers. Thank you for your trust and support — we look forward to a bright future together!