1. This is the tracking of your parcel:
China Post Register Air Mail Tracking System
Parcel No.RH350416548CN tracking result
2016-10-28 16:24:06.0 Guangzhou Int'l Parcel Center received
2016-10-28 16:24:15.0 Guangzhou Int'l Parcel Center customs scan
2016-10-28 23:08:26.0 leaving Guangzhou Int'l Parcel Center ，next station 广商大宗
2016-10-30 02:57:15.0 Shanghai Transit Station export security scan
2016-10-30 13:14:50.0 Shanghai Transit Station export customs cleared
2016-10-31 01:23:00.0 arrive Shanghai Int'l Airport
2016-10-31 01:38:15.0 leaving Shanghai Int'l Airport going to next airport/seaport

2. Your parcel is fine, It has departed China. You just need to be patient till Belgium Post scan your parcel and then give it to Belgium Custom Office for clearance. May I suggest you read this for your country Belgium:
http://track-chinapost.com/China_Post_Arrival_Time_Stat.php

Hope this help.