The initial announcement of Rosemont Seneca (belonging to the Biden and friends) and the Chinese government's company came in 2013.Wall Street Journal

In 2015, the above entity bought Henniges, an American "duel use parts manufacturer". The Chinese is committed to buying American companies where it is hard to tell the difference between their commercial and military uses. " The report of the National Select Committee on US Military and Commercial Concerns." Space limits the amount of info I can give on the very complex dealings that took place.