The express mail received by Dayun Express cannot be directly delivered and transferred to other express companies. Who should pay for the expenses incurred? Is it Dayun Express or the addressee?

Dayun Express will transfer the express mail to another courier company for delivery, and the expenses incurred shall be paid by Dayun Express.

Because you have paid all the expenses for mailing the package in advance.

If you are a buyer, before online shopping, you should check whether there are outlets of the courier company in your area on some courier websites, otherwise the delivery will be transferred to other courier companies.

Communicate with the seller in advance and choose a suitable courier company, which has business outlets in your local area.