Country’s government says deal with TSMC needs state assessment and it may protect its most advanced tech

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Taiwan’s government has suggested a $100bn semiconductor deal between Donald Trump and the Taiwanese chip maker TSMC is not guaranteed, saying it must still go through government assessment and ensure its most advanced tech will stay onshore.

The surprise announcement on Monday by Trump and the chief executive of Taiwan Semiconductor Manufacturing Co (TSMC), CC Wei, has prompted controversy in Taiwan, where the industry is crucial to both its economy and its national security.