According to the State Grid Shandong Electric Power 110kV Guoxin station transformation project, 35kV dock station comprehensive transformation project operation schedule, on the basis of fully ensuring product quality, the company's departments closely cooperate and cooperate, 32 sets of high-current switches completed the delivery task on time, and loaded and shipped complete sets of users on September 5, 2020. Henan Changzheng Electric focuses on the research and development and manufacture of high-voltage electrical components with high safety, high reliability and high stability, and takes the customer as the center to contribute to the strong power grid of the State Grid.