Legal analysis: Customs detention inspection mostly appears in express mail business, after customs release. Detention (pending inspection) is generally the following situations: the first situation: express parcels are contraband and illegal. The second case: your mail needs to be taxed. The third situation: your mail is damaged and needs to be inspected. Please consult the local customs for confirmation.

Legal basis: Article 47 of the Customs Law of People's Republic of China (PRC), the owner of inbound and outbound articles shall truthfully declare to the customs and accept customs inspection.

No one is allowed to open or destroy the seal affixed by the customs without authorization.