Fangshan District of Beijing is the hometown for Mopan Persimmons. In the natural environment, persimmons can stay fresh for only 2-3 months. But with the freezing techniques, the new product of ice persimmons can extend its market time to 2-3 years. While at the same time, the nuclear power technology can also be used to help fruits and food preservation. CGTN’s Hou Jing reports.