I doubt on her/his and include her as part of lu chen scam scheme because when i Received my first miner lu chen was in cc when she/he mailed .
If Michael chan / Lu chen wasn't part of company why did she added him in mail ?
Would be good to see that cc'd email.
There is the possibility that Lu Chen was working for/with Bitmain when you did the first deal....I don't know.
So, on the visit, did you go to Bitmain's office and get showed round by Chen or what happened?
Late here now, will look forward to seeing more tomorrow.