immediately sealed up all the imported cold-chain foods, issued a notice to suspend business for rectification, and ordered them to suspend business for rectification for three days

Legal basis:

Article 12 of the Law of the People's Republic of China on the Prevention and Control of Infectious Diseases, all units and individuals within the territory of the People's Republic of China must accept the investigation, inspection, sample collection and isolation treatment of infectious diseases by disease prevention and control institutions and medical institutions. Disease prevention and control institutions and medical institutions shall not disclose relevant information and materials involving personal privacy.

if the administrative department of health and other relevant departments, disease prevention and control institutions and medical institutions violate the legitimate rights and interests of units and individuals by illegally implementing administrative management or preventive and control measures, the relevant units and individuals may apply for administrative reconsideration or bring a lawsuit according to law.