The economic and technological rivalry between the U.S. and China has come to the drone market, where Chinese-made flying devices are a dominant player in America.

DJI and Autel Robotics have one year to convince skeptical national security agencies that their equipment doesn't pose a threat to the U.S.

Lawmakers in Washington are seeking to ban new sales of drones from two dominant Chinese manufacturers, arguing they could be used to spy on Americans and that the low-cost models are hurting the U.S.