TSMC's Arizona factory has sparked concerns in Taiwan, where semiconductor manufacturing is the backbone of the economy, about a "goodbye to Taiwan" trend among chip firms. "TSMC's research and development centre is in Taiwan, the complete supply chain is here," she said. "Taiwan has a complete supply chain, a complete system, and the backing of the government. Taiwan Semiconductor Manufacturing Co Ltd (2330.TW), , as it is formally called, has repeatedly said that the bulk of its manufacturing will remain in Taiwan. It is also encouraging more foreign tech firms in the chip supply chain to invest in Taiwan.

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