Legal analysis: The parties who have the right to sign on the contract include the parties to the contract; the entrusted agent and legal agent authorized by the parties to the contract; and the legal representative. According to regulations, if the parties conclude a contract in the form of a contract, the contract is established when both parties sign, seal or fingerprint the contract. Before signing, sealing or fingerprinting, one party has performed its main obligations and the contract is established when the other party accepts it.

Legal basis: "People's Republic of China and Civil Code"

Article 490: Where the parties conclude a contract in the form of a contract, both parties shall sign, seal or The contract is formed when the fingerprint is pressed. Before signing, sealing or fingerprinting, one party has performed its main obligations and the contract is established when the other party accepts it.

Article 162: Civil legal acts performed by an agent in the name of the principal within the scope of agency authority shall be effective against the principal.