It should be waiting for the receiver to declare to the customs or pay taxt to the customs now. If the receiver doesn't do so, it will not be released.
Could you check the tracking for this package: LO970858299CN 2020-05-18 12:30 - Shenzhen, Import Customs Release 2020-05-16 19:19 - Shenzhen, sent to import customs 2020-04-09 17:17 - Shenzhen, delivered to air transport What does Import Customs Release mean?
It should be waiting for the receiver to declare to the customs or pay taxt to the customs now. If the receiver doesn't do so, it will not be released.