On April 18^th, local time, Unit K3 of the Karachi Nuclear Power Plant in Pakistan, which uses China's third-generation Hualong One nuclear reactor, the fourth unit in the world and second overseas, passed its provisional acceptance, marking the first four Hualong One reactors with the main pumps supplied by Harbin Electric Power Equipment Company Limited: Karachi Units K2 and K3 have now been fully completed and put into operation, following Fuqing Units 5 and 6.