As long as it is stamped, the contract has legal effect.

the official seal of the company is the seal of the company's handling of internal and external affairs. The official letters, documents and reports of the company are sealed with the official seal, and the documents stamped with the official seal 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.

according to article 32 of the contract law of the people's Republic of China, if the parties conclude a contract in the form of a contract, the contract is established when both parties sign or seal it.

Therefore, as long as the contract is signed or sealed by both parties, the contract can be established.

Extended information:

Pay attention to the preconditions of the contract to avoid invalidation of the contract:

According to Article 9 of the Contract Law of the People's Republic of China, when concluding a contract, the parties shall have corresponding capacity for civil rights and capacity for civil conduct.

the parties may entrust an agent to conclude a contract according to law.

Article 52 stipulates that a contract is null and void under any of the following circumstances:

1. One party enters into a contract by fraud or coercion, which harms the national interests.

2. Malicious collusion that harms the interests of the state, the collective or a third party.

third, cover up illegal purposes in a legal form.

fourth, damage the interests of the public.

v. violation of mandatory provisions of laws and administrative regulations.

Article 53 stipulates that the following exemption clauses in the contract are invalid:

1. Causing personal injury to the other party.

2. property losses of the other party are caused by intentional or gross negligence.

Baidu Encyclopedia-official seal of the company

Baidu Encyclopedia-Contract Law of the People's Republic of China