隨收找了幾個加拿大的網路新聞：

https://globalnews.ca/news/6923316/...ected-montreal/
8 million N95 masks from a single distributor failed to meet federal standards

https://www.cbc.ca/news/politics/ot...masks-1.5563050
On Friday, it was revealed that Ottawa had suspended shipments from the
supplier after approximately eight million masks out of an 11-million
shipment made in China didn't meet federal specifications.