Foxconn says Trump's trade war is pushing companies to expand supply chains to other hubs around the world.
Taiwan Semiconductor announced its plans to spend $12 billion on a new facility in the US, with production planned by 2024.
The iPhone assembler and the medical device company are teaming up to "fast-track" production at the controversial factory.
Apple's biggest supplier for its iPhone reportedly tells investors it's working to make up for lost days.
Apple had warned that the coronavirus could hurt iPhone supply.
Foxconn is prepared to "meet all global manufacturing obligations," but is taking care to keep its employees healthy, it said.
The joint venture would first focus on China, then expand to an export business.
A watchdog accuses the companies of violating labor laws a day before the new iPhones are due to be revealed.
It's expected to employ 1,500 people when it opens in May.
"I am calling on Apple to come to Taiwan," Terry Gou reportedly says. Gou is also a candidate for Taiwan's presidency.
It can apparently satisfy the US market if the US-China trade war escalates.
Today's major tech stories include Huawei cutting back on several smartphone lines. In addition, DeepMind's AI crushes humans at Quake III and Apple quietly deletes iTunes social media posts.