“I will not see the conditions to continue these discussions at this time,” Champagne told the Globe and Mail newspaper.
China in 2020 has changed a lot since 2016, he said.
He noted that all initiatives of that time should be reviewed.
Earlier, American leader Donald Trump announced the intention of the United States to take action against the World Trade Organization (WTO) due to the decision of the WTO panel of judges, which recognized Washington's increase in duties on Chinese goods as illegal.