SANBIAN SCI-TECH CO., LTD.

SANBIAN SCI-TECH CO., LTD. is a Zhejiang-based manufacturer focused on large and medium-sized transformers for power transmission and distribution applications. The company’s portfolio covers oil-immersed power transformers (up to 500 kV), dry-type transformers, combined transformers and substation solutions, as well as a range of special-purpose transformer products.

With integrated production workshops operating under fully enclosed management, SANBIAN SCI-TECH emphasizes consistent manufacturing control and dependable product performance. Its product lines span multiple series with broad specification coverage, supporting diverse project needs across utility and industrial environments.

The company operates advanced manufacturing and testing equipment sourced from Germany, the United States, and Japan, including iron core cutting and rolling lines, corrugation oil tank production lines, and specialized electrical test systems such as partial discharge testing and high-voltage pulse wave analysis. A dedicated transformer quality test center—Zhejiang Fang Yuan Transformer Quality Test Center—was established within the company in February 2005 under authorization from the Zhejiang Bureau of Quality and Technical Supervision.

SAN MEN series transformers have received multiple product distinctions, and performance is stated to meet IEC standards. The company has also reported recognition through provincial and national science & technology and quality product awards.