Under business relationships with famous propeller suppliers around the world, Quadrant Space offer fixed-pitch propellers and in-flight adjustable propellers for a wide range of applications including fixed-wing UAVs, gyrocopters, general aviation aircrafts, and paramotors. To meet Chinese market demands for advanced propellers, Quadrant Space have a joint technical center with HELIX Germany for propeller development and application. With synergy of proven design and test capabilities in powerplant integration, we provide superior support and excellent service to customers' aircraft development.