Does Vancouver need a Canadian visa to transfer to the United States?

Canada Border Service Agency (CBSA) and Immigration Bureau (CIC)? The visa-free program (CTP) for China citizens has been launched, and detailed standards have been provided. As long as the conditions are met, there is no need to apply for a transit visa. Come and see:? First of all, everyone needs to meet the following four conditions, which should not be difficult. Airlines and airports need to pay attention to: Hold a valid China passport? Hold a valid US visa? Take the following 9 airlines:? --? Air Canada (air? Canada? And? Air? Canada? Rouge)? --? Jazz Air Canada (Jazz? Aviation? LP)? --? Cathay Pacific (cathay? Pacific)? --? China airlines (China? Airlines)? --? Philippine Airlines (Philippine? Airlines)? --? China international Airlines (air? China)? --? WestJet? --? Sky regional aviation (sky? Regional? Airlines? Inc.)? --? Georgian Airlines (air? Georgian)? Transit through the following audited airports /zd/ym