CHINA 144hrs

We are Canadians citizens.
We will arrive to Shanghai from Edmonton Canada on October 20,2019.
On October 22, we take the cruise to Japan from Shanghai.
On October 27, we come back to Shanghai from Japan.
On October 29, we fly back to Edmonton ,Canada from Shanghai.
Our itinerary : Edmonton Canada-Shanghai-Japan-Shanghai- Edmonton Canada.

Are we eligible for 144 -hour visa free in Shanghai.
Thanks