1. For parcel RF278162324CN, this is the tracking I found:
Parcel No.RF278162324CN tracking result
2016-06-19 20:16:59.0 Electronic Data Received

2. May I suggest you read this:
Why does my tracking result show only one message “”electronic data received” ?
On this site:

Why does my tracking result show only one message “”electronic data received” ?

3. For parcel RS133209050CN, this is what I found:
Parcel No.RS133209050CN tracking result
2016-06-28 15:41:39.0 Guangzhou international parcel process center received

4. You could track both of your parcel here:
http://www.track-chinapost.com/en/

5. Also please be aware the lately there has been some problem at the Guangzhou Airport for parcel departing China.

6. China Post Airmail Parcel Estimate Arrival Time for European country is normally 2 to 3 weeks but because of the problem in Guangzhou Airport it will be more waiting time.

Hope this help.