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You got that picture from a seller on Tradera, did you not? ;-)
Interesting...
I have read a bit on
this page (where Ripster got his image?) using Google Translate to understand the Chinese.
It shows two types of yellow MX-compatible switches. Both are linear. None of them has a switch housing that matches that picture perfectly.
However, the page also shows a clicky white MX-copy called "TJ White Shaft" that has a switch housing that looks identical the one in your picture. The page quotes a rumour that the Taiwanese manufacturer of the white switch also makes yellow and blue switches .. or so I interpret the output from Google. (Perhaps someone else here who really knows Chinese could provide a better translation)
The seller had told me that the keys do not click but that there is a distinct stop at the bottom of the stroke. I am not a fan of linears, so I did not search or inquire for more information.