That is subjected to interpretation of the report.
The report said (in my translation)
in the first half of 2020, the company started various research or contract realization works of 9 UAVs including CH-7. These works include 500 flight tests. This is plain translation without any interpretation.
Here is my thought. Does that 500 flight tests include maiden flight of CH-7? Or the work of CH-7 in the first half of 2020 is only limited to assembling and ground test of it? If I am to be very strict and careful, I think the report did not confirm CH-7's maiden flight. If I am to be more wishful, then I can say that 500 includes the maiden flight.
If I were the alert5 author, I would have said "The latest half-year stock report by Aerospace CH UAV – 航天彩虹无人机股份有限公司 – revealed that the CH-7 stealth unmanned air vehicle (UAV)
MAY have flown."