Official seals: State-owned units, institutions, limited companies, self-employed individuals, government agencies, and military official seals are all round, of which 42MM is for companies and 38MM for individuals. There may be slight differences in size in different regions, but generally in Chapter 38-42MM. Hong Kong, Macao, Taiwan and foreign-funded enterprises are foreign-funded enterprises, and the official seal is a 45X30MM oval bilateral seal. The official seal is usually used for official documents, certification materials and signing contracts. Materials include offset seals, horn seals, atomic seals, machine-engraved penetration seals, returned ink seals, wood seals, returned ink seals, etc.

Financial seal: Most of the financial seal is square in size of 22MM, with the name on the license above and a special financial seal below. In some areas, it is in the shape of an oval or a circle with a star. Commonly used materials are horns. Atomic stamps and plastic stamps are not allowed. Can be stamped on checks and invoices (equivalent to a special stamp for invoices).

Invoice stamp: The invoice stamp is oval, 40X28MM in size, with the company name in the upper issue, tax number in the middle issue, special invoice stamp in the lower issue, and imitation code at the bottom (some cities do not implement imitation code) ), available materials are offset printing, atomic seal, penetration seal, ox bone, used for ordinary invoices.

Corporate seal, size 16X20MM, square, made of organic glass and cow bone. Offset and atomic stamps are not allowed. Used for bank seals, checks, and private seals.

The above seals need to be engraved with all the documents and at the place designated by the Public Security Bureau for engraving the official seal. The official seal is generally managed by senior leaders or the administrative department, and the financial and invoice seals are managed by the finance department. The corporate seal is managed by the legal person and the authorized person.

For more information on official seals, please visit the professional seal company website: