> As far as other post-fermented teas, I don't think there's a huge demand
> for them here, and presumably the people who want them know what to call
> them.

Yeah, they want to market Hunan “hei cha", they just haven't decided
how to best describe the tea category yet.

On another note, it seems "fermented tea" as opposed to "oxidized tea"
is just a touchy subject in China as it is here.