Challenge Industrial Co., Ltd. (CIC), founded in 1974, specializes in power and electronic equipment. Our key products includes CTs, PTs, distribution transformers, epoxy resin insulators, reactors, smart meters, and EV chargers. We also offers full OEM/ODM services. With German technology from MWB, we adopts global manufacturing standards to ensure high quality. All processes are completed in-house, providing a one-stop solution.