Help finding information on Marble coated woks I've been looking for a wok and was considering a carbon steel wok, but from my research, it seems that carbon steel woks, even if they have a flat bottom, may warp slightly from the heat and not remain flat.

Since I have a flat top cook surface, I'm not sure if one of these is right for me.  

I have read about marble coated woks that are supposedly good for flat cook tops, but I can't find any detailed information on them.  

Do they require any special care (e. g. seasoning) and are they good for stir frying at high temperatures?
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