Group 1 - Gree Electric's "Dong Mingzhu Health Home" store opened on August 5, with Chairman Dong Mingzhu attending the event and conducting a live stream [1] - During the live stream, Dong Mingzhu promoted Gree's "Double-Sided Queen" beauty device, claiming that personal experience showed results after using it for 6 minutes daily for about 7 days, leading to a smaller face [1][3] - Dong Mingzhu emphasized that the effectiveness may vary among individuals, but generally, results can be seen within 3 to 7 days [3] Group 2 - Dong Mingzhu highlighted that all Gree products are independently developed to ensure product quality [3]