On a discussion about their yeast range over on the BrewUK forum someone pointed out how there's a better correlation between the yeast they sell and those offered by Bulldog Brews/Hambleton Bard (link)
.. and there do seem to be like for like yeasts in those two ranges.And on the subject of them being interested in Chinese vacuum packaging suppliers, we know (because they openly admit that) that they're splitting and re-selling larger bales of hops, so that may be for that ... but I suppose we may never know whether they're doing similar for yeast or not, as you suggest it may be that watching the forums for brewers suffering "fermentation issues" is the best we can do to re-assure ourselves ... I've only used their dried Kolsch Yeast (once) because I've not seen that readily available ... and, to be fair, all seemed to go fine with my ferment ... but now that I know that there's the Bulldog European Ale Yeast (that the Crossmyloof Kolsch yeast may well be the same as
) I may make more of an effort to source some of that, if that was what I was after, in future, TBH Cheers, PhilB
Cheers, Steven – The Crossmyloof Brewery
But we've done several different variations with it, so there's still time. Keep an eye on fb for updates fella! 
