You'll be automatically finger printed at any major airport in China.
Those prints are then sent to Interpol.
Just off the plane you'll encounter a kiosk and then again at the actual customs immigration window.
You don't need to be printed as a condition of working in China.
You need a notarized police clearance.
There are a number of agencies licensed to collect prints who then send them onto the FBI for clearance at Clarksburg, VA.