Since I own CKGT shares, I was alerted by the potential fraud case involving CKGT. So I did some DD. Here is what I found:
1) No lawsuit or frauds implicating CKGT itself.
I did a google and baidu search using CKGT's Chinese name, and could not find any lawsuit or fraud that implicating CKGT itself.
While doing the search, I did find that there are many resellers of CKGT's personal health products.
2) The article quoted by throwerw was not about CKGT.
The article contains the Chinese text:
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Which basically says that those accused were using CKGT's name in unauthorized fashion.
Also, the same article says that the main offense were soliciting funds for another company (Nanshan). Nashan ran pyramid scheme and its founder and chairman Bai Junshan was arrested and executed.
You can read the Chinese text to get better idea.
3) The article is a few years old, so if any new evidence involving CKGT, it would sure surface by now.