The Hikvision, Dahua, Tiandy and Uniview cameras, which are available over the counter across the country, have reportedly been used for years by China in its crackdown on Uyghurs in the Xinjiang Autonomous Region.

https://www.journaldemontreal.com/2024/08/29/cameras-de-surveillance-chinoises-des-organismes-demandent-quon-interdise-leur-vente-au-canada