US-China Tech Rivalry and Supply Chain Weaponization

China tightens drone export rules, sanctions six US entities, launches national security probe into imported office equipment. Pentagon blacklists 130 schools. U.S. threatens sanctions over AI model distillation. Taiwan detains Nvidia employee in chip smuggling probe. Xi warned Trump of possible conflict over Taiwan. BIS adds 52 Chinese entities to Entity List. New: BIS allocation order under DPA bans tungsten scrap and battery black mass exports for one year. China slapped export controls on US firms ahead of Xi's Washington visit, including case-by-case drone review and CCC certification shift.