The U.S. has now made it more difficult for TSMC to ship important chipmaking equipment to its factories in China. Earlier today, the world's largest contract chip foundry said that the United States has pulled its fast-track authorization . Starting on December 31st, TSMC will no longer have the fast-track export privilege that allowed it to send high-tech equipment to China. Starting in 2026, TSMC will need to procure a U.S. export license in order to ship the equipment to China. TSMC is the top foundry of choice for companies that design chips but don't have the facilities to build…