The circular chapter belongs to the official unified chapter used by the state and units, while the square chapter is generally internal and has low effectiveness.
Party constitution is a name stamp, representing an individual and bearing the name stamp of a legal person. When opening an account in a bank, the cheque should be stamped with the name stamp of the legal person. The seal of the person in charge can be used for many purposes, such as exercising its relevant powers on behalf of the person in charge, personal name stamp, personal salary collection, personal signature and so on.