May as well sell the C 130s. As a general proposition I oppose military tech sales to China but the Herc is just too old, and too readily available. Anything they could steal from the planes, they can get anytime now, cheaply.
From just one site
Lockheed C-130 Hercules aircraft for sale:
Lockheed C-130 Hercules A
Lockheed C-130 Hercules A upgraded
Lockheed C-130 Hercules B/E/H
Lockheed C-130 Hercules H / EC-130Q
Lockheed EC-130 Hercules Q
Lockheed L100-30 Hercules (L382G)
http://www.planecheck.com/aspsel2.asp?man=&des=C130&grp=Lockheed%20C-130%20Hercules&page=0
There is a large difference between what is on that list and a newly constructed J model.