Yes. The seal of the legal representative can replace the handwritten signature. The seal of the legal representative is registered with the Public Security Bureau. If there is any objection to the authenticity of the signature, you can apply for judicial appraisal to determine the authenticity. Generally, if there are no special requirements, the company's contract or other documents can be stamped with the official seal.
Legal basis
According to Article 490 of the Civil Code, which will take effect on January 1, 2021
If the parties conclude a contract in the form of a contract, A contract is established when both parties sign, seal or fingerprint it. Before signing, sealing or fingerprinting, one party has performed its main obligations and the contract is established when the other party accepts it.
Laws, administrative regulations or the parties agree that a contract should be concluded in writing. If the parties do not do so in writing but one party has performed its main obligations and the other party accepts it, the contract is established.