Legal analysis: Yes. They have different meanings. Signature or seal: signature or seal is an optional relationship for the contract to take effect, either signature or seal. Signature: The meaning of "signature and seal". This pause is used to pause between coordinate words. The front "signature" and the back "seal" are coordinate phrases, indicating the coordinate relationship between signature and seal. This agreement can only come into effect when both parties sign and seal it.

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.