1. This is the tracking of your parcel:
Number: RM745654130CN
Package Status: In Transit

Destination Country: Canada

Origin Country: China
2016-11-26 08:25 Zhengzhou Exchange Bureau, have been exported directly
2016-11-26 07:54 Zhengzhou Exchange Bureau, have been exported to open
2016-11-25 18:48 Zhengzhou billing Center, left, and the next stop "Zhengzhou express"
2016-11-25 17:51 Zhengzhou billing Center
2016-11-25 15:41 Zhengzhou billing Center, has received send
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Number: RO630647639CN
Package Status: In Transit

Destination Country: Canada

Origin Country: China
2016-12-02 23:22 Beijing airport and left
2016-12-02 23:22 Beijing airport terminal, left hand navigation
2016-12-02 23:20 Beijing airport terminal, arrival
2016-12-02 18:41 Exchange Bureau in Beijing, has been exported
2016-12-02 12:56 Exchange Bureau in Beijing, have been exported to open
2016-12-01 01:08 Taiyuan transit Bureau, have been exported to each other (internal transit)
2016-11-30 18:30 Taiyuan City Centre outlet opening
2016-11-30 16:19 Southern staple Center for peace, left, the next station "Taiyuan City Center"
2016-11-30 16:19 Southern staple Center for peace,
2016-11-30 13:18 Southern staple Center for peace has been accepted
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2. One parcel was receive by China Post on the 25 Nov and the other one on the 30 Nov. Your parcel where not scan yet by Canada Post.

3. Both your parcel are On Route/In Transit to Canada. Parcel to Canada can take from 4 to 8 weeks to be deliver.

4. I also found this for you:
Tracking No. :RM745654130CN
Date / Time : 2016/11/26 - 20:11
Description :Tracking is not available for international registered mail items sent to Canada.
Service Type :International Inbound Registered

and This:
Tracking No. :RO630647639CN
Date / Time : 2016/12/02 - 18:54
Description :Tracking is not available for international registered mail items sent to Canada.
Service Type :International Inbound Registered

5. If you want just come back here every 4 days and ask me personally to check if your parcel where scan by Canada post and I will be glad to check for you.

6. As for a dispute with your seller, you might want to advise him first that you have not receive your parcel and see what he is going to tell you. From then on, you make your decision.

Thanks.