Schools run by schools are all official seals. This is not a private seal. The school emblem represents the school, and the school emblem represents the school. The types of seals are: red offset printing, Huang Mu printing, wood gluing, atomic printing, photosensitive seal, infiltration printing, ink printing, tape printing, date printing, steel printing, copper printing, jade printing, wax printing, movable type self-printing and ink printing.