1. The document stamp in the tender refers to whether it is necessary to stamp page by page, mainly depending on the requirements of the tender documents. It specifies which parts need to be signed and sealed and which parts do not need to be sealed.

2. The direct seal of official documents refers to the official seal and seal. If the bid documents do not require the legal person or agent to seal, the latter need not be brought.

3. Signature refers to the general name of signature and seal, that is, the name of the party or the name of the unit is stamped, which means double insurance. A signature is a seal carved according to the style of a personal signature. In some cases, I can authorize the use of it as a personal signature.

The signature mentioned in the contract refers to the signature of the authorized person and the seal of the company. To sign is to write one's own name, especially to express agreement, recognition, responsibility or obligation. People have certain requirements for signature. The consent of the signing representative has legal effect and gives the document authenticity in law. More refers to writing your name on documents, papers, banners or commemorative items to show proof, commemoration or determination.