1. This is the full tracking of your parcel:
China Post Register Air Mail Tracking System
Parcel No.RF339743603CN tracking result
2016-09-01 11:02:23.0 Electronic Data Received
2016-09-02 14:52:09.0 Shenzhen city international parcel process center received
2016-09-02 19:55:00.0 Shenzhen city international parcel process center customs scan
2016-09-02 20:08:00.0 leaving Shenzhen city international parcel process center
2016-09-03 00:50:40.0 Shenzhen Transit Station export security scan
2016-09-03 08:27:30.0 Shenzhen Transit Station export customs cleared

2. Also on another site this:
2016-09-03 08:27
The Shenzhen Exchange Bureau, have been exported directly

3. And also this:
Tracking # :RF339743603CN
Date / Time : 2016/09/03 - 08:27
Description :There is no information available for this international item. Tracking by Canada Post is not a feature for this product.
Service Type :International Inbound Registered

4. So what is all those tracking telling me. Your parcel is fine and it's On Route to Canada. You should expect delivery within 6 to 8 weeks from now. Your parcel will go through Canadian Customs and then will be given to Canada Post for delivery.

Hope this help.

1. This is the site of #2:
http://www.track-chinapost.com/en

Hope this help.