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Why don't some companies have official seals with numbers?
A new type of digital anti-counterfeiting seal (metal surface, built-in electronic chip). What has no numbers is the old-fashioned seal (red glue seal).

The official seal of the company is the seal of the company to handle internal and external affairs. Official letters, documents and reports issued by the company to the outside world shall be stamped with official seals, and documents stamped with official seals shall have legal effect. The official seal is held by the legal representative of the company. If the legal representative uses the official seal together with the official seal, it represents the company's behavior.

Electronic signature system consists of digital certificate authentication system (public security PKI/CA system), electronic seal management system, electronic signature authentication system and client electronic signature software. The digital certificate authentication system directly adopts the PKI /CA system established by the police.

Extended data:

Management system:

1. The engraving of the company seal shall be approved by the general manager, and a letter of introduction shall be issued by the office, and the engraving formalities shall be handled in the relevant departments of the public security organs.

2. The format and specifications of the official seal shall be implemented in accordance with relevant state regulations.

Opening of official seal

1. Please stamp the new seal before using it, and keep the sample for future reference.

2. The official seal shall be reported to the General Manager for approval, and an opening notice shall be issued, indicating the opening date, issuing unit and scope of use.

Baidu Encyclopedia-Official Seal of Company

Baidu Encyclopedia-Electronic Seal System