Need. In order to ensure the effective prevention and control of the epidemic, Xindu District needs to take the train with the nucleic acid certificate after unsealing. If you really need to travel, you must hold a negative nucleic acid test certificate within 48 hours. Xindu District is located in the heart of western Sichuan Plain, and it is a new urban area (North Sub-center) of Chengdu, the capital city of Sichuan Province. It is adjacent to Deyang Guanghan and Chengdu qingbaijiang district in the north and Pengzhou and Pixian in Chengdu in the west.