According to a report from Palm Spring City on April 21st, in the 220 - kilovolt Ji'an Substation of the supporting power grid project for the expansion of the Honghe Power Plant in Kaiyuan City, a silver - colored humanoid robot dexterously completed tasks such as tightening grounding bolts and installing spacers for overhead drainage lines after receiving instructions. This is the first time in China that Yunnan Power Grid Company of China Southern Power Grid has applied humanoid robots in the field of power grid infrastructure construction.