Suppliers tied to Nvidia’s H200 artificial intelligence processors are scrambling after shipments bound for China were stopped at the border, triggering production slowdowns and growing uncertainty across the supply chain. According to a Financial Times report citing people familiar with the situation, customs authorities have blocked the entry of the high-performance chips, catching both suppliers and the US tech giant off guard. One source told the FT that Nvidia had been “caught by surprise” when early consignments arrived in Hong Kong earlier this week, only to face unexpected resistance. Requests for comment sent to China’s General Administration of Customs and Nvidia reportedly went unanswered at the time of publication. Suppliers Stuck With Parts That Have No Other UseThe sudden halt has put Nvidia’s component makers in a difficult position.