1. This is the full tracking of your parcel:
China Post Register Air Mail Tracking System
Parcel No.RL240852452CN tracking result
2016-09-10 19:01:49.0 福州city international parcel shipping center received
2016-09-10 19:02:59.0 福州city international parcel shipping center customs scan
2016-09-10 20:49:55.0 leaving 福州city international parcel shipping center ，next station 福州center
2016-09-12 07:27:02.0 福州Transit Station export security scan
2016-09-12 10:36:59.0 福州Transit Station export customs scan (domestic transit )
2016-09-17 01:23:54.0 Beijing Transit Station export security scan
2016-09-17 10:30:02.0 Beijing Transit Station export customs cleared
2016-09-17 20:55:00.0 arrive Beijing Airport
2016-09-17 21:04:27.0 leaving Beijing Airport going to next airport/seaport
2016-09-18 15:20:00.0 Beijing departure

2. Another tracking for your parcel:
International Mail# RL240852452CN Tracking Result
Summary
Tracking number Origin Destination Status
RL240852452CN CHINA COLOMBIA On route

History Detail
Local date/time Activity Location Remarks
10-Sep-2016 19:01 Received by Post Office 35000512
17-Sep-2016 16:06 Departure export customs BEIJING

3. According to both above tracking your parcel is On Route to Colombia. I suspect your parcel has arrive in Colombia but was not yet clear by Colombia Customs Office yet.

4. You might want to contact Colombia Post for your parcel, when it's going to be deliver.

Hope this help