Celebration on ±400kV DC wall bushing pass the seismic test. On 30, May, 2015, Our technician and experimenter went to Yunnan province, installed the ±400kV vacuum fiberglass impregnated epoxy resin DC wall bushing at site on the basement of Southern China Power Grid. Our bushing passed the experiment successfully. At the same time , our workers return visited the AC bushing and ±1000Kv wall bushing produced by Nanjing Electric Group, which are in operation at April,2009. These product have good running performance until now, obtained user’s consistent high praise and recognition.