Premier Li Keqiang, 2nd left, inspects China Nuclear Power Engineering Co Ltd in Beijing, June 15, 2015. Li had an inspection tour to the company and the Ministry of Industry and Information Technology on Monday. [Photo/Xinhua]

During a simulated emergency, the alternative feed-water system responded within five seconds to support the main system.

In April, for the first time in four years, China approved the construction of two nuclear reactors using third-generation technology in Fujian province.

Overseas, the country has invested in Britain’s Hinkley Point C, the first nuclear power project in the UK for two decades, and it plans more involvement in the British nuclear sector.

Last year, China National Nuclear Corp signed a $2 billion deal with Argentina to build a reactor. China has also completed two nuclear reactors in Pakistan, and four more are being built.

China National Nuclear Power Co, a unit of one of the country’s three largest State-owned nuclear operators, raised about 13.2 billion yuan ($2.15 billion) last week in its initial public offering.

Most of this will fund the building and operation of coastal nuclear plants.