As the nucleic acid of covid-19 virus was detected positive in the packaging samples of a batch of frozen shrimp scallops imported from Japan, according to the Announcement No. 103 of the General Administration of Customs in 2020, the national customs suspended the import declaration of products from Japanese aquatic product manufacturer ys Foods Co., Ltd. (Registration Number: cn110240) for one week from now until June 27, 2022.