Huawei chief financial officer, MS Meng, extradition hearings has started on Monday in Vancouver, BC courthouse.,
The US wants Ms Meng to stand trial on charges including fraud linked to the alleged violation of US sanctions against Iran.
The court will hear arguments on whether the crime Ms Meng is accused of by the US would also be considered a crime in Canada.
Ms Meng, who was arrested in late 2018 in Canada, denies any wrongdoing.
Her arrest has created a rift between China and Canada. On Monday, Beijing repeated its calls for Canada to release Ms Meng.
