WHO WE ARE


TSTY established in 1995, specializes in high-end power distribution and transformers, offering Oil-Immersed Transformers, Cast Resin Dry-Type Transformers, Substation Transformers, and Pad-Mounted units, fully compliant with IEC, UL, CE, SGS, and GOST standards. Manufacturing utilizes top-grade cold-rolled grain-oriented silicon steel and high-purity oxygen-free copper to minimize core losses. A 250,000-square-meter 5G smart factory enables flexible customization, with order delivery 25% faster than the industry average. TSTY transformers undergo 100% testing in a CNAS-certified laboratory, ensuring uninterrupted power supply even in harsh environments such as 50°C desert temperatures, high-altitude regions, or corrosive coastal areas.

Established In 1995

Area Covered

Patent Certificates

+

Cooperative Customers

INDUSTRY SOLUTION


The products have already been used in grid system, government projects, industrial and mining enterprises, new energy, communication industries and other fields.

Power Station Industry

Urban Construction

Photovoltaic Power Generation

Power Equipment

Public Transportation

National Grid

OUR CERTIFICATES


OUR CERTIFICATES
Italian CE certificate
Xigao Certificate
EU CE certificate
High voltage switchgear GOST certification
Low voltage cabinet EAC DOC certificate

250kVA 11kV/0.415kV all-copper oil-immersed transformer was delivered to Côte d'Ivoire

Recently, a customer in Côte d'Ivoire sent photos of the received and installed transformer from TSTY. The customer was very satisfied with the purchase and TSTY's service.

A Mozambican Customer Receives a Container of Transformers

Recently, TSTY successfully delivered a full container of transformers to Mozambique, a country in southeastern Africa.