Handan tsinghua huakang power electronics Co., Ltd is a professional research and development, production integrated substation automation, generator microcomputer relay protection, DC system, network, dispatching automation and industrial automation control device of business enterprise. Companies with tsinghua university for technical backing, is a by professor, associate professor, senior engineers, engineers as the main component of the strength of the scientific research team in hebei province, is a science and technology of authentication of high-tech enterprises.