Beijing Vetting Halts Cleared H200 Sales

Even when Washington licenses advanced AI chips to Chinese companies, Beijing can block or delay purchases by instructing domestic firms and distributors to pull back. The result is a two‑way choke point: U.S. export permissions matter, but so does Chinese political control over deployment and investment choices. — This shows that tech diffusion across rivals is not a one‑way function of U.S. export policy — domestic political vetting in buyer countries can intercept or reshuffle strategic technology flows, changing the effectiveness of sanctions and deals.