So these were made 2 to 5 thousand years before the "first" man and woman, Adam and Eve.

Hummm! Very Interesting!

I bet the Christians will immediately try to discredit the carbon 14 method or find some other creative way to justify discounting such a find.

Since they were found in China... there is no need to discredit them. 6000 years of civilization is obviously trumped by a burning bush.