China Post registered mail from Guangzhou to Belgium returned due to incomplete address

Parcel was posted via China post registered mail service from Guongzhou China on the 09 May 2017 to Belgium but the package eventually returned to China on the 10 Jun 2017 due to incomplete / incorrect address. Below is tracking info from China Post and Belgium Post office (bpost) trackint

Parcel No.RS612934165CN tracking result

2017-05-09 17:14:59.0 Electronic Data Received
2017-05-11 21:52:56.0 Guangzhou parcel process center received
2017-05-12 03:31:40.0 Guangzhou parcel process center customs scan
2017-05-12 04:04:26.0 leaving Guangzhou parcel process center ，next station Guangzhou center
2017-05-12 05:52:40.0 Guangzhou Transit Station export security scan
2017-05-12 13:08:30.0 Guangzhou Transit Station export customs cleared
2017-05-14 09:00:00.0 arrive Guangzhou Airport
2017-05-14 09:59:35.0 leaving Guangzhou Airport going to next airport/seaport
2017-05-22 09:50:00.0 Guangzhou departure
2017-05-22 22:39:00.0 布鲁塞尔 arrive customs
2017-05-22 22:39:00.0 arrive Belgium 布鲁塞尔 Transit Station
2017-05-24 11:56:00.0 arrive Belgium delivery office

2017-05-24 11:58:00.0 Belgium Post Office attempt delivery
2017-06-03 01:59:00.0 leaving 布鲁塞尔
2017-06-03 02:10:00.0 布鲁塞尔 export customs cleared
2017-06-06 08:55:31.0 Beijing Transit Station import customs scan
2017-06-06 16:41:04.0 Beijing Transit Station import customs cleared (domestic transit )
2017-06-10 11:14:43.0 Guangzhou Transit Station import customs scan ,remark (rejected )
2017-06-10 14:32:23.0 Guangzhou Transit Station rejected ,remark (无人领取)
2017-06-10 14:45:10.0 Guangzhou Transit Station import customs cleared (domestic transit )

Your parcel Barcode bpost: RS612934165CN
Your parcel is on the way to Belgium.
Date Time Status Location
06/06/2017 08:55 Arrival at international office of exchange China
03/06/2017 01:59 Departure from office of exchange Belgium
24/05/2017 11:58 Back to sender : delivery impossible - address incomplete GENT MAIL
24/05/2017 11:56 Item in delivery GENT MAIL
22/05/2017 22:39 Arrival at international office of exchange Belgium
12/05/2017 13:49 Departure from office of exchange China
12/05/2017 11:52 Departure from office of exchange China
11/05/2017 21:51 Item deposited China