1. Check the parcel: Express delivery usually pastes the sender's information on the outside of the parcel, including name, address, contact information, etc.
2. Check the waybill or express delivery number: on the express parcel, there will usually be a waybill or express delivery number. You can enter this number into the courier company official website or the mobile phone APP to inquire about the details of the courier.
3. Consult the customer service of the courier company: provide the courier number and recipient information, and ask the sender for relevant information.
4. Ask people around you: Ask people around you, such as family, neighbors or colleagues, if anyone has sent a courier.