Here is the link.

I can see people buying GPU, send it to Mexico, and do the same, then export the chips to China. Since China is already offshoring their production to Mexico, the logistic chain is already there.

https://www.techpowerup.com/316066/special-chinese-factories-are-dismantling-nvidia-geforce-rtx-4090-graphics-cards-and-turning-them-into-ai-friendly-gpu-shape