Journalists visit a Miniature Neutron Source Reactor (MNSR) at the China Institute of Atomic Energy (CIAE) of China National Nuclear Corporation in Xinzhen Town of Beijing, capital of China, April 18, 2019. CIAE is the birthplace of China's nuclear technology. (Xinhua/Cai Yang)

Journalists visit the China Experimental Fast Reactor at China Institute of Atomic Energy (CIAE) of China National Nuclear Corporation in Xinzhen Town of Beijing, capital of China, April 18, 2019. CIAE is the birthplace of China's nuclear technology. (Xinhua/Cai Yang)

A staff member introduces a facility at the China Institute of Atomic Energy (CIAE) of China National Nuclear Corporation in Xinzhen Town of Beijing, capital of China, April 17, 2019. CIAE is the birthplace of China's nuclear technology. (Xinhua/Cai Yang)

Journalists visit the China Institute of Atomic Energy (CIAE) of China National Nuclear Corporation in Xinzhen Town of Beijing, capital of China, April 17, 2019. CIAE is the birthplace of China's nuclear technology. (Xinhua/Cai Yang)

Zhang Tianjue, chief expert of China National Nuclear Corporation, introduces the first cyclotron of China at China Institute of Atomic Energy (CIAE) in Xinzhen Town of Beijing, capital of China, April 16, 2019. CIAE is the birthplace of China's nuclear technology. (Xinhua/Cai Yang)