Elon Musk Has Started Building a Tesla Gigafactory in China, and It Could Let Him Dodge Trump’s Trade War Posted byBill Bostock January 7, 2019 Leave a comment on Elon Musk Has Started Building a Tesla Gigafactory in China, and It Could Let Him Dodge Trump’s Trade War Musk on Twitter on Monday said that the factory would make Tesla’s Model 3, and that the Model S and the Model X would still be built in Tesla’s two U.S. factories.