On December 8, 2019, 10 o 'clock in the morning, the winter in the warm sun, in a burst of firecrackers,the first converter transformer in kunbei converter station, the uhv multi-terminal dc demonstration project that overvoltage transmission from Wudongde to Guangdong and Guangxi，which was transported by CSALC, entered the station safely and smoothly. The 3,200 km arduous journey, from north to south, was meticulously organized and arrived safely, laying a solid foundation for the smooth transportation of converter transformers of Kunbei station.