Nvidia and AMD have agreed to give the U.S. government 15% of their revenues from chip sales in China, under an arrangement to obtain export licenses for the semiconductors, the Financial Times reported on Sunday.

Nvidia, the world’s biggest chip maker, is often described as the “pick and shovel” provider for the new technology’s massive investment story. Earnings from AMD, Arista Networks, and Astera Labs suggests that there are subtle ways to play the trade.