1. Engraving the official seal is necessary. Because the organization code certificate needs to be stamped after obtaining the business license, the newly established company needs to be stamped after obtaining the business license. The official seal is circular, the size of which is subject to the approval of the public security organ, and the official seal of the company; Self-employed domestic investors, state-owned organs or units with a diameter of 40mm and a five-pointed star with an official seal of 38mm; Generally, the official seal of a foreign-funded enterprise with a diameter of 42mm is oval 30*45mm without five stars, arranged in Chinese and English;

The special seal for invoices is divided into special seal for local tax invoices and special seal for national tax invoices. 2. Engraving the special seal for invoices: To handle the tax registration certificate and sell invoices, you must engrave the special seal for invoices first. Sales industry needs special stamps for national tax invoices, with specifications of 40*28mm and service industry of 45*30mm.

3. Engraving special financial seal and legal person:

To open a bank account, you need to use the official seal, the special financial seal and the private seal of the legal person. A newly-opened company can open a basic company account in the bank. These seals are called seals and are generally made of hard materials such as horns that are not easily deformed. The common specifications of special financial seal and corporate seal are 22*22mm and 18* 18mm respectively.

4. Some units have other seals due to business needs.

Slightly smaller than the official seal of the company, special seal for contract: generally circular. Foreign capital is oval;

Seal of the Trade Union Committee with a diameter of 42 mm: round. Double outer edge;

42mm in diameter, with party emblem in the middle; Seal of Party Committee: circular.

Slightly smaller than the official seal of the company, special seal for business: generally circular. Foreign capital is oval;

Special seal for 50*36mm customs declaration: oval.

30 mm diameter 30mm 12 bold type; Special seal for inspection: circular.

One specification less than the official seal. The official seal of the administrative department and the special seal of the human resources department are all round. A five-pointed star can be published in the middle;

No border, signed and sealed by the authorized person: rectangular. 57 * 22mm

Frame, construction seal and completion seal: rectangular. 50 * 80mm

Bank account stamp: rectangular

Special seal for engineering design drawings: address seal: in addition to announcing the name of the unit, it can also announce the address, telephone number or special seal for sending and receiving signs: round or circled.

You can record the date when the business occurred. Special seals for cash receipt and payment, transfer, account opening, settlement and other financial units. : A rotatable date stamp is usually used.

Seam seal: generally rectangular, with the size of 10*35mm.