HU used to have some very good YYZ-PEK-YYZ discount business class fare for about $3,500 all-in. I think that they are still available. HU uses 787 on the YYZ-PEK route.

I wouldn't recommend their Y but is competitively priced at about $1,200~1,300 all-in for YYZ-PEK-YYZ.