Regeneron Pharmaceuticals said on Tuesday it has signed a deal worth more than $3 billion with contract drug developer Fujifilm Diosynth, potentially doubling its U.S. manufacturing capacity and bringing its total investments in the country to over $7 billion.

Regeneron Pharmaceuticals Inc. agreed to pay Fujifilm Diosynth Biotechnologies more than $3 billion over the next decade to help manufacture its medicines in the US, as the threat of tariffs looms over the nation’s drug supply.

Regeneron Pharmaceuticals has entered a new manufacturing and supply agreement with Fujifilm Diosynth Biotechnologies.