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Changchun Sanding Transformer Co., Ltd. (formerly Northeast Power Transmission and Transformation Group Changchun Transformer Factory) was founded in 1952 and was a key enterprise of the Ministry of Machinery Industry of China.

Renamed as Changchun Sanding Transformer Co., Ltd. in 2003, after more than 60 years of history, the company has now developed into a leading domestic manufacturer and engineering service provider of high-voltage and ultra-high voltage electrical equipment.

The company has a self built industrial park of 350000 square meters (Changchun Sanding Industrial Park), with the transformer industry covering an area of 220000 square meters, a building area of 110000 square meters, and a total investment of 1.19 billion yuan.

We mainly produce four major categories of products: 500kV and below power transformers, 220kV and below furnace transformers, 330kV and below rectifier transformers, and 220kV and below reactors. Our annual production capacity is 35000 MVA, and the output value is 2 billion RMB.

The company is a self handling customs declaration unit approved by Chinese customs, with independent export packaging capabilities and obtaining epidemic prevention and immunization certificates from major countries such as Europe and America. Our products are distributed in more than 40 countries, with sales performance of nearly 22000 units. We have participated in over 120 national and international key projects.

The 140MVA arc furnace transformer and reactor produced by our company is the first set of arc furnace transformers with the largest capacity in China, and the third largest capacity in the world. The development of furnace transformers has opened a new era for the localization of large furnace transformers in China, marking that our company has steadily occupied a leading position in the development and research of large furnace transformers in China.