What is mean i.e "[Guangzhou] [Guangzhou Exchange Station] returned"? Detail is
Guangzhou] [Guangzhou Exchange Station] returned 2019-11-04 13:52:52 [Guangzhou] has been handed over to the airline 2019-11-03 01:20:58 [Guangzhou] arrived at [Guangzhou Exchange Station] (transfer) 2019-11-03 00:33:34 [Guangzhou] left [Guangzhou International], next stop [Guangzhou Exchange Station] (transfer) 2019-11-03 00:20:27
To my experience, it will be returned back to the seller. You'd better continue to track it to see what will be happened to it.