China Customs Blocks NVIDIA H200 Imports, Suspending Over 1 Million Orders and Locking AI Supply Chain

China's customs authorities have blocked the entry of NVIDIA's recently approved H200 AI processor, causing serious disruption in the supply chain. According to the Financial Times, parts suppliers for the H200 have temporarily halted production after shipments were stopped.

Two sources familiar with the matter said Chinese customs officials notified customs agents this week that NVIDIA H200 chips cannot be brought into the country. NVIDIA had expected over 1 million orders from Chinese customers, with supplier firms producing on a 24-hour basis to begin shipments from March. The customs block has now suspended those plans.

Sources reported that Chinese authorities summoned domestic tech firms to a meeting and warned them not to buy H200 unless absolutely necessary. Officials gave no rationale for the stance, and it is unclear whether the action is a formal ban or a temporary measure.

NVIDIA's second-most powerful AI processor, the H200, has emerged as one of the most sensitive areas of the U.S.-China tech tension. Despite strong demand from Chinese firms, it remains unclear whether Beijing is using the move to support domestic chipmakers or as a bargaining chip in talks with Washington.

Key Takeaways:
1. China customs blocked NVIDIA H200 chip imports.
2. Over 1 million orders are suspended; suppliers paused production.
3. Beijing warned domestic tech firms not to buy H200 unless absolutely necessary.
4. No official rationale given; unclear if formal ban or temporary measure.
5. The move is being read as one of the most sensitive lines in US-China tech tension.

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