1. The meaning of the seal number in the company is equivalent to the certificate number of the personal ID card. If the online inquiry service is opened, it is easy to provide criminals with the necessary conditions for fraud, and making more realistic seals according to the found seal numbers is easy to cause financial fraud;

2. The local industrial and commercial bureau will have the corresponding seal number registration record, so you can consult the local industrial and commercial bureau;

3. Public security organs, procuratorates, legal organs and relevant administrative institutions must hold a letter of introduction issued by the above-mentioned units to inquire at the comprehensive hall of the Municipal Public Security Bureau.

4. At present, many public security organs have not accepted the inquiry of seal information by enterprises themselves. Specifically, you can only consult the public security organ where the enterprise is located;

5, enterprises involved in economic disputes or other cases, the need for official seal inquiry, evidence related seal information, must entrust a law firm lawyer with a lawyer's card, letter of introduction.

The number on the seal is the anti-counterfeiting identification code of the official seal. This number is filed with the Public Security Bureau. When engraving the official seals of the party and government, state-owned or collective enterprises, institutions and their internal organs, all documents or letters issued by the superior leadership department or the department that approved the establishment of the unit shall go through the examination and approval procedures at the public security administration department of the public security organ at or above the county level where the unit is located. After examination and approval by the public security organ, a notice of seal engraving or a letter of introduction and proof shall be issued, and the official seal shall be engraved at the engraving factory or engraving shop designated by the public security organ. When engraving the official seal, the company needs to consult the enterprise registration window of the Municipal Administration for Industry and Commerce, obtain relevant registration materials, pre-approve the name and obtain the Notice of Pre-approval of the Name, and open a temporary account in the bank with the approved name. Shareholders transfer their share capital into a temporary account, go to a qualified accounting firm to apply for a capital verification certificate, submit the prepared registration materials to the registration window of the Administration for Industry and Commerce for acceptance and preliminary examination, and obtain a business license at the Administration for Industry and Commerce at a specified time, pay the registration fee and make an announcement in the newspaper.

According to the Regulations of the People's Republic of China on the Administration of Company Registration, the Industrial and Commercial Bureau can check the authenticity of the official seal and has the right to examine it. When engraving the official seal, it needs to be kept in the social information collection system of the seal industry of the Public Security Bureau. Confirm whether the official seal is the official seal for filing according to the retained information. When handling the registration, the industrial and commercial bureau has the obligation to verify the materials according to the Regulations of the People's Republic of China on the Administration of Company Registration, and may examine the materials provided.

I hope the above content can help you. If in doubt, please consult a professional lawyer.

Legal basis:

Article 490 of the Civil Code of People's Republic of China (PRC)

If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it.

A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.