Note, Pompeo's statement does not imply such abductions were "all at once" or even that they occurred within a small number of decades. A good bit of the following is unverified, but I've been keeping evidence like this around just in case other related and confirming things come to light.
The strong rumor is--comparable to Mengele indeed doing horrific medically-related experiments on jews and outlier genetic cases--that at Wuhan (see "hospital" pictures below), certain patients from all over China and internationally, are brought for involuntary organ donation, trafficking & prostitution, MK-ULTRA-type tests, breeding and/or other experimentation is desired.
After children (particularly) or others outlive their usefulness, also those having been trafficked and/or abused by their masters / mistresses, their bodies were sent to be rendered for adrenochrome harvesting in this large facility (read: concentration camp; note bars on windows). There are other camps throughout China, too, of course, but probably none as large and active as this one in the Wuhan region. Wuhan is thought to be a source for large quantities of adrenochrome. (Think Monsters, Inc. was not just an animated movie!)
When I started reading your post I immediately thought of MIAs in the Korean war of the 50's -- but at this late date that seems impractical. One rumor at the time, IIRC, was that they ended up in the Soviet Union as slave labor.
I would be careful using the word 'abductions'. While it seems a logical assumption, nowhere that I know of has the idea been proposed.
I see this week that Cuba has signed a 'Belt and Road' agreement with China - agreements that usually bring heavy debt obligations to benefit China. This could bring about a second Cuban Missile Crisis less than 100 miles off of our shores! We won't be worrying about the South China Sea then, eh?
There are growing signs that China may already be ruling the United States, or increasingly so at any rate. Can anyone see a JFK in Woe Bitem? (Let's Go, Brandon!)
Unfortunately, methinks your assertion may be in part or wholly true. I had not seen the Wuhan holding facility pics before. There are likely harvesting facilities worldwide.
And yes, Monsters, Inc. is a documentary.
Note interesting demolition occurring across the street from the ‘Medstar’ Children’s Hospital in DC. Waaaay back, preQ, when I regularly followed George Webb’s investigations, he brought to light the co-localization of MedStar hospitals to organ ‘donation’.
https://www.bitchute.com/video/xx1gBBdBKDuY/