Saying that "there are only two brands of electric guitars" may be criticized by users of Ibanez, Jackson, ESP, and other brands. This is too absolute.
The piano used by Xu Wei is the "Square Shoulder Dreadnought" model produced by Gibson, also known as the "Hummingbird" series.
Give the URL of a model in this series
/en-us/Divisions/Gibson20Acoustic/True20Vintage/Hummingbird/
In addition to the trademark on the headstock, the guitar In addition to the body shape, the special flowered guard plate is the symbol of this series.
As for what model Xu Wei is using, I cannot tell. The official website cannot find a consistent model. The headstock is bound, and the overtone points are not two parallelograms, but a special shape. The headstock also has a similar pattern, so it must be Custom. Not a batch model.