At 12:50 on September 6, the cold state function test of Unit 4 of the Huaneng Hainan Changjiang Nuclear Power Project came to an end. During the test, the pressure boundary of the unit was complete and reliable, the system sealing was excellent, and all test parameters were met. The successful cold test marked that Unit 4 had officially entered the commissioning phase, laying a solid core foundation for the unit's subsequent high-quality production and power generation.

At 12:50 on September 6, the cold state function test of Unit 4 of the Huaneng Hainan Changjiang Nuclear Power Project came to an end. During the test, the pressure boundary of the unit was complete and reliable, the system sealing was excellent, and all test parameters were met. The successful cold test marked that Unit 4 had officially entered the commissioning phase, laying a solid core foundation for the unit's subsequent high-quality production and power generation.