With more than 25 years of experiences in manufacturing power transformers, Powerex is confident that we are the best choice of power transformer supplier to you. The transformer series feature scientifically reasonable design to control voltage change rate within 1% - 1.5%. In addition, they are made of imported high purity copper wire that minimizes own loss rate and greatly increase effectiveness. Also, we have a strong R&D team to keep improving our products to fit the highest demand of our clients. Contact us today for more details!