Chongqing Transformer Co., Ltd. specializes in producing large transformers of 220kV and above. As a continuing enterprise, Chongqing Transformer focuses on manufacturing small and medium-sized transformers of 110kV and below.

Chongqing Transformer Co., Ltd. relocated to the high-tech zone of Tongliang District in 2012 for environmental compliance, with a registered capital of 108 million RMB. It is located at No.19 Jinshan Avenue, Tongliang Industrial Park, close to the Chongqing-Suzhou Expressway, with convenient transportation. Chongqing Transformer is a key enterprise under Chongqing Machinery & Electronics Holding (Group) Co., Ltd. The company has applied for a total of 184 patents, with 50 currently valid patents, including 13 valid invention patents and 3 software copyrights. It holds general contracting qualifications for power engineering and mechanical and electrical engineering, as well as a Level 3 permit for power facility installation (repair and testing). The company has comprehensive management systems for quality, environment, occupational health, and services.

Chongqing Transformer owns advanced production and testing equipment, including the German Georg silicon steel sheet cutting line and the German Hübers epoxy resin casting production line. It primarily produces oil-immersed transformers of 110kV and below, epoxy resin cast dry-type transformers of 35kV and below, various special transformers, as well as high- and low-voltage intelligent switchgear, distribution boxes, and box-type transformers. These products are widely used in power, grid, highway, airport, rail transit, hospital, school, industrial, and construction sectors.