I went searching on google for specs of the CR500, and the best I could find was this infographic on the web page of a Norinco subsidiary specializing in Beidou development (if I understood the google translate correctly). What are your thoughts on the reliability of the source? The numbers seem reasonable.
The coaxial rotor is one of the most technologically advanced in the world. No more than 10 countries can be produced. The export of coaxial rotor UAVs could affect the national interests of China in the future, the technology will spread and fall into the hands of many hostile countries.
I remember when they wanted to stop China from getting coaxial helicopters from Russia. The only countries that are potential adversaries of China already have or can easily have access to the technology.