The production of copperplate wedding books needs to design templates online, and then carve them on the board with a carving machine. After anti-oxidation treatment, the cut copper skin is covered on the board mold, and then it is struck with a rubber hammer.
Marriage certificate originated in Tang Dynasty. This is an agreement between men and women in ancient China when they got married. It is the most direct and original material that the parties to a marriage master and use as evidence, showing the true relationship between the parties to a marriage, between marriage and society, and between national laws.