Is there any better motion capture system in China? What is the brand, please introduce?

Metric Nokov is good, now many domestic drone research companies are using his family's motion capture system, and Nokov is passive optical, the more well-known international Vicon and MotionAnalysis are passive optical capture system, this technology is relatively more mature, more accurate motion capture, and can be widely used in motion analysis, gait, rehabilitation, virtual reality, film animation, game production, robotics, UAVs, human-computer interaction and military and military fields! This technology is relatively more mature, more accurate, and can be widely used in motion analysis, gait rehabilitation, virtual reality, movie animation, game production, robotics, drones, human-computer interaction, and military and military industries!