Trudeau raised issue during official visit.
Countries will explore free trade talks.
Trudeau described his upcoming trip to China as something of a "reset'' in the relationship.
PM has pledged to bring up Kevin Garratt's case.
The minister says he raised human rights issues behind closed doors.
Wang Yi appeared visibly angry.
Kevin Garratt has been detained since August 2014 by Chinese authorities.
The couple, who are originally from Vancouver, have been charged with stealing secrets and spying.
It was the first message 54-year-old Kevin Garratt and 53-year-old Julia Dawn Garratt were able to convey — through a Canadian
Kevin Garratt, 54, and Julia Dawn Garratt, 53, who have lived and worked in China for the past 30 years, were out for dinner