There is no fixed requirement for the font size on the department’s table sign. Just choose the appropriate font size according to the size of the table sign.

The font of conference table cards is generally bold, because bold fonts look solemn. The three most commonly used fonts for conference table cards are "Hei", "Dabiao Song" (such as "Fangzheng Dabiao Song Simplified") and "Wei Ti" (such as "Chinese New Wei"). There is no fixed requirement for the font size. Just choose the appropriate font size according to the size of the table cards.