Express delivery must check the express items, and the bigger site will have a security machine to check them. If it is airmail, the courier must open the box for inspection when receiving it.

According to Article 31 of the Measures for the Administration of Express Delivery Market? Enterprises engaged in express delivery business shall require users to issue safety certificates from relevant departments for suspicious items with uncertain safety. If a user cannot issue a security certificate, the certificate will not be accepted and sent.

Quick introduction:

Express delivery, also known as express delivery or express delivery, refers to a new mode of transportation in which logistics enterprises (including freight forwarders) deliver documents or packages entrusted by users from the sender to the recipient quickly and safely through their own independent networks or in the form of joint ventures (i.e. networking).

Express delivery is divided into broad sense and narrow sense. Express delivery in a broad sense refers to the express delivery of any goods (including bulk express); In a narrow sense, express delivery refers to the emergency delivery service of business documents and small pieces. In terms of service standards, express delivery generally refers to the express delivery service completed within 48 hours.

Refer to the above? Baidu Encyclopedia-Measures for the Administration of Express Delivery Market