Hello, I've had a package stuck in Guangzhou for about two weeks now. What seems odd is that it shows that it has been returned by the airlines three times now. Should I worry?
Code is LX181755069CN, this is what the last few events look like:

2020-06-23 23:50:10	Guangzhou	Sent to airline
2020-06-24 08:44:26	Guangzhou	Returned
2020-06-24 10:52:09	Guangzhou	Returned
2020-06-24 10:56:36	Guangzhou	Dispatched from Office of Exchange
2020-06-25 02:02:30	Guangzhou	Sent to airline
2020-06-26 01:05:09	Guangzhou	Returned
2020-06-26 01:27:11	Guangzhou	Returned
2020-06-26 01:59:42	Guangzhou	Dispatched from Office of Exchange
2020-06-26 05:39:01	Guangzhou	Sent to airline
2020-06-27 00:51:21	Guangzhou	Returned
2020-06-27 13:50:49	Guangzhou	Returned
2020-06-27 13:51:04	Guangzhou	Dispatched from Office of Exchange
2020-06-27 23:13:24	Guangzhou	Departure from Regional Sorting Center

The package is fairly small, it's just tea samples.

Thanks in advance.

http://track-chinapost.com/result_china.php?order_no=LX181755069CN shows the parcel was sent to airline on Jun 27. It is still waiting for flight to Spain.

http://track-chinapost.com/?p=976 shows average waiting time to Spain is about 7 weeks. Your parcel is still in normal time frame , no need worry.