TSMC is set to build a major semiconductor production hub in the U.S. for $165 billion, but the plans still need to be set.

The investment will go into building three new fabrication plants in Phoenix, Arizona, as well as two packaging facilities and a research center.

Taiwanese chipmaking giant TSMC's plan to invest $100 billion in the United States was a "historic moment" for Taiwan-US ties, the island's President Lai Ching-te said on Thursday. It will take the total amount the world's biggest chipmaker has pledged to invest in the United States to $165 billion,

Taiwan President Lai Ching-te is hailing a planned $100 billion investment in the U.S. by the Taiwan Semiconductor Manufacturing Corporation as “a historic moment for U.S-Taiwan relations,” adding that the move is not the result of pressure imposed by the U.