I am in the same boat as you. I ordered two 6S batteries on May 22nd, and still have not received them. I paid extra to have them shipped EMS as well. I know customs was holding things up over there. I did get a hold of a rep on the phone who told me just what I just told you all. She said my order was sent back and then resent out via speed post with a tracking number that does not work. She said "wait for it to update." I heard from her, that this happened with many orders and were all being sent back and then out privately.
I doubt I will order anymore items from HK after I finish dealing with this. Not worth the potential money loss and wait. -IMO anyways