Zhejiang Lingyi New Energy Co., Ltd. is a scientific and technological enterprise integrating R & D, production, sales and service. The company takes DC power control and protection system as its scientific research direction. Its products mainly include DC circuit breaker,DC miniature circuit breaker ,DC surge protective device,DC fuse &fuse holder,solar charge controller &inverter,PV combiner box ,EV charger and other products,and other products.Academician Zuo Chendong, a scientific researcher of our company, first invented a series of high-performance proton conductor fuel cell electrolyte materials and electrode material masks of ion electron hybrid conductors in the United States, which have the best stability and ionic conductivity, and have become the most commonly used materials in the industry. Dr. Zhao Hu's team has long been committed to the research of low-voltage electrical arc theory and digital design, and has accumulated rich research experience in theoretical analysis, modeling and simulation, and experimental research, and has also achieved good research results.We have the first circuit breaker research laboratory in China, which focuses on the research of arc breaking technology and the optimization of product performance, and a research and development team composed of many first-class talents in this field, such as doctors and masters. At the same time, we maintain long-term and close cooperation with Xi'an Jiaotong University, Northwestern Polytechnic University and other universities. Ensure to provide efficient and convenient electrical products and technical services for users in all industries.