A simple visit in the following link hosted in a server of the University of Minnesota will convince you:
Would IEEE really sponsor a fake conference in China?
The email was typical fake-scientific-conference-in-China spam: "we courteously invite you to deliver a Plenary Speech" as a "leading authority" in a field where I have no expertise. I've gotten several of these from "BIT Life Sciences."
This time, though, IEEE, a (formerly?) respectable engineering organization, was listed as a sponsor. I assumed the scam was using IEEE's name without permission, but the "6th International Conference on Bioinformatics and Biomedical Engineering " is actually listed on the IEEE web site. Apparently, IEEE has been involved in many fake conferences, which have, for example, accepted papers that are computer-generated garbage. Sad.
I don't mean to imply that all conferences in China are fake -- I went to one a few years ago that was excellent, and am scheduled to speak at another -- or that fake conferences happen only in China. They do seem to have more than their share, though.