Received Danniao Express, unable to query the sender.

If you can't find the sender of Danniao Express, you can try the following steps:

1. Confirm whether the express order number is correct. Query logistics information needs to enter the correct courier number.

2. Contact Danniao Express customer service. You can call the customer service phone of Danniao Express and ask them for logistics information and sender information.

3. Go to the express outlet to inquire. If you know where to express, you can check the logistics information and sender information at the local express outlets.

If the above methods still can't solve the problem, you can complain to Danniao Express and seek a better solution.