Taiwan is a democratic country with a reasonable Rule of Law.
Unlike the People's Republic of China, which is authoritarian with random enforcement of unwritten laws.
Shipping overseas can be expensive so choosing the right service is important.
This may help. Bookmark it.
https://www.canadapost.ca/cpotools/apps/far/business/findARate?execution=e1s1
It looks like Confirmation of Delivery is available for Expresspost and Priority Post.
Both of which are expensive, much like shipping to Japan or Australia.
In addition to the Confirmed Delivery options, you might be comfortable with merely insuring your shipment against loss or damage in transit.
The name I know is Shipsureance, but I have never used it myself.