this kind of parcel starting with U is china post ordinary parcel. China Post will not scan and update its status after it left first post office. so you can not see new status and know where it is now.

This is a slow and cheap service for low value item. china post ordinary parcel might take 4 to 12 weeks to reach your country.

If you buyer protection is expiring , you need ask seller extend protection or open dispute for refund.