Legal analysis: Yes, but the contractor needs to obtain the agent authorization of the parties. 1. When signing a contract, there should be a power of attorney. 2. When concluding a contract, the parties to the contract have the corresponding contracting capacity. 3. The intention of the parties to the contract is true; 4. The contents of the contract must be definite or possible. 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. 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.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 161 A civil subject may carry out a civil juristic act through an agent.

In accordance with the provisions of the law, the agreement of the parties or the nature of civil legal acts, civil legal acts that should be implemented by themselves shall not be represented.

Article 162 A civil juristic act carried out by an agent in the name of the principal within the scope of his agency authority is effective for the principal.