If you look at most non mainstream china products, like led lights (zetlights, evergrow..par38 led etc), pumps, they at the minimal use a ce certification label. A higher tier main stream product that sells at higher end stores, they put in ul for the american market. To put a csa, well, the canadian market is so small, they dont bother - saving a few hundred to few thousand dollars for the certification is the probable interest of these companies. If the do past ce and ul, it is probably good enough for the canadian market but insurance companies will weasel out of any claims due to damage/fire.
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