How long can Baidu consulting order results be saved?

The courier and logistics information that has been signed for will be kept online for at least half a year, and may not be found for a long time. Delivery over one year depends on your luck. If you are lucky, you may find it. If you are unlucky, you can't find it if it is covered by new logistics records. The express delivery number is the unique identification code of the express package, which contains the detailed information of the recipient's express mail, usually consisting of numbers and letters.