I can no longer in good faith recommend a Keycool board

[Blaise170]

Translation: The board had a significant defect. Sounds sweet!

Thanks I guess.

[Muirium]

That's a great impression of the average Keycool owner's reaction when they open up the box and first meet their keyboard!

Have Kaihua no quality control or test even some switches before they sell them?

Why should they? People buy them because they're cheap. And they're cheap for the usual reason.