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Sichuan Chongzhou Hengda Electronic factory is a set of R&D development,production,sales as one of the professional engaged in various types of toroidal transformer,EI transformer manufacturer,founded in 1994,located in Chongzhou City of Sichuan Province. The total plant area of 15,000 square meters, there are more than 30 professional engineers and technicians.the transformer daily output of up to 9800 units.


Main products: audio toroidal transformers, power amplifiers toroidal transformers, solar transformers, landscape lighting transformers, halogen quartz lamp toroidal transformers, UPS industrial toroidal transformers, medical equipment toroidal transformers, isolation transformers, control transformers and air conditioning transformers,etc.

After 23 years of efforts, now we have established a complete set of production quality and environmental protection of the advanced system. We have excellent product quality, first-class enterprise management, the most competitive prices and improve the service to win customer’s praise. Our products are exported to North America, Europe, Asia and other places.

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