In my limited experience with Chinese manufacturers (as "I Love Film" — also in the mktg/adv + product design field)... I don't think they're tremendously interested in pioneering a concept like this. They'd be happy to build it if someone paid them to. Secondly, would a China-branded product have a significant chance in the marketplace? They'd need a branding and marketing effort to give the product non-gimmick validation, and that would require a campaign also run by an outsider.
Looking at these new lenses being released that fit the m4/3 and NEX, by 'off-brand' companies... in my mind, they seem like usable or even quality optics. But, a consumer commitment to a sensor-based piece of technology seems to be more intense than a purchase of a lens. These lenses may perform at levels that match 'major brand' products, but are they ever going to be embraced by enough of the general public to make their manufacturers into the kinds of companies that garner respect and brand loyalty? They seem almost like fly-by-night enterprises. People don't buy multi-thousand dollar cameras from companies like that.
Cosina would have to do it. And, they'd have to do it soon. Before Canon or Nikon are forced into those markets. At some point, as auto-everything, AF digital completely obliterates the film market, and the consumers lose all interest in manually focusing those 'vintage' lenses, it won't matter if there is a glut of Canon FD glass available on Ebay. The folks who care about that stuff are getting older. And, we're getting more used to mod cons. As the current tech gets better and better, there will be fewer and fewer compromises associated with, say AF. If the Fuji XPro 2 has killer AF, won't the need/desire for this 'digital FE' be diminished? That market segment will still be buying the Fuji, and the Canon Mx, and the Nikon Md, and such... and those dollars come out of the digital FE fund. And, then, the only thing the FE-D has going for it is nostalgia.