It might be because the donation amount was so large that the Han Hong Foundation immediately called, and it was Han Hong herself on the line.
To keep things open and transparent, Jiang Siming decided to put the call on speaker.
"Hello, hello, Mr. Jiang, was it you who donated 21.62 million? I just heard from my foundation colleagues that you donated during your livestream."
Han Hong's voice was very distinctive, easily recognizable.