It is usually a 4. or 4.2 cm stamp

Since May 2, 21, Beijing Public Security Bureau has successively implemented new anti-counterfeiting seals in 16 districts and counties of the city. Party committees, people's congresses, state administrative organs and their departments, political consultative conferences, judicial organs, military units, democratic parties, enterprises and institutions (including individual industrial and commercial households), social organizations, private non-enterprise units, foundations, religious organizations and other organizations at all levels within the administrative area of the city need to engrave seals such as legal name seals, financial seals, contract seals, customs declaration seals, invoice seals and other business seals, as well as internal institutional seals, etc., and must make legal records and go to.

the specifications of the special seal for the contract are circular, the size of the special seal for the contract is 4.2 or 4.cm in diameter, and the width of the circular edge is .1cm The middle position of the special seal for the contract is a five-pointed star pattern. Each seal is engraved with 13-digit seal codes according to the requirements of the national public security industry standard "Seal Security Management Information System Standard". You can call the "6278951, 6278952" seal information telephone voice inquiry hotline to check whether the seal has been approved and filed by the public security organ. The material of the special seal for the contract can be copper or ink-back printing.