1. This is the full tracking of the parcel:
China Post Register Air Mail Tracking System
Parcel No.RF087369573ES tracking result
2016-08-22 11:21:00.0 Spain received
2016-08-24 04:46:00.0 leaving Madrid
2016-08-24 06:42:00.0 Madrid export customs cleared
2016-08-30 10:53:03.0 Beijing Transit Station import customs scan
2016-08-30 15:19:03.0 Beijing Transit Station import customs cleared (domestic transit )
2016-09-03 09:53:17.0 Shenzhen Transit Station import customs scan
2016-09-03 14:29:32.0 Shenzhen Transit Station import customs cleared (domestic transit )
2016-09-05 10:07:09.0 arrive 投递红荔 delivery office
2016-09-05 14:31:48.0 投递红荔 attempt delivery

2. The recipient should call China Post Hot Line: 11185, or go and pick up the parcel at the post Office. If the parcel is not pick up it will return back to Spain.

3. Here is another tracking:
Number: RF087369573ES
Package Status: Pick Up
Destination Country: China
2016-09-05 14:31 Post Hung Lai, is posted
2016-09-05 10:07 Post Hung Lai, reached the post Bureau
2016-09-03 14:29 The Shenzhen Exchange Bureau, import each other (internal transit)
2016-09-03 09:53 The Shenzhen Exchange Bureau, import opening
2016-08-30 15:19 Beijing Exchange Bureau, import each other (internal transit)
2016-08-30 10:53 Exchange Bureau in Beijing, has imported opening
2016-08-24 06:42 Madrid have been exported directly
2016-08-24 04:46 Madrid, leaving
2016-08-22 11:21 Spain has been accepted
Origin Country: Spain
2016-08-30 00:00 Delivery to the destination international office
2016-08-24 00:00 Dispatch from the point of origin international office
2016-08-22 00:00 Accepted

Hope this help.