Shijiazhuang Xuhao Power Equipment Technology Co., Ltd. is one of the earliest professional companies in China to engage in the research and development and production of high and low voltage filtering equipment. It is also a 3C certified enterprise for professional harmonic control in the North China region. Relying on domestic universities, the company is a specialized technology company that focuses on energy conservation and emission reduction, harmonic control, and improving power quality in the power grid. The company specializes in the research and development, production of high and low voltage passive filtering compensation devices, active filters, high and low voltage reactive power compensation, intelligent capacitors, and harmonic online monitoring equipment. Currently, it has obtained testing reports and 3C certification qualifications for high and low voltage filtering products, product patents, and has achieved good performance and reputation in the industry.