How to check the express delivery number?

How to check the express delivery number, the method is as follows:

1. Open any browser. 2. Enter the name of the courier company in Baidu search box, and then click Search. 3. In the search results, find the official website of the courier and click Enter. 4. After entering official website, find the express inquiry service on the left side of the homepage. 5. Because I don't know the express number, I need to click "Mobile phone number query". 6. After switching to mobile phone number query, enter the sender's mobile phone number in the input box below, and then click Query. 7. Click to get the verification code, enter the verification code and click Query. 8. After clicking Query, you will jump to the page of express data. 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).