Also referred to as Wing Loong, the Chinese Mandarin word for Pterodactyl, the system is already serving in the PLA Air Force's 32nd Division.  The Verge notes that such a purchase shows how China is starting to compete with industry leaders the U.S. and Israel as a leading source of military robotics, especially since the U.S. has been hesitant to export UAS even to allies, especially armed types.

Such a deal is also another indication of how improving Sino-Saudi ties have moved beyond the realm of energy and trade to include major defense technology.