Legal Analysis: Valid. Civil law stipulates that there are two forms of entering into an agreement: the first is oral form, and the second is written form. An agreement concluded in oral form is valid as long as it is based on the true intention of both parties and is legally binding on the parties. The parties shall perform their obligations in accordance with the agreement and shall not change or terminate the contract without authorization.

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.

Laws and administrative regulations or the parties agree that a contract should be concluded in writing. If the parties do not use writing but one party has performed its main obligations and the other party accepts it, the contract is established.

Article 502 A contract established in accordance with the law shall take effect from the time of its establishment, unless otherwise provided by law or otherwise agreed upon by the parties.

In accordance with the provisions of laws and administrative regulations, if the contract must be approved and other procedures shall be followed. If the failure to go through approval and other procedures affects the effectiveness of the contract, it will not affect the effectiveness of the contract's obligation clauses such as submission for approval and related clauses. If the party that should go through the application approval and other procedures fails to perform its obligations, the other party may request that it bear liability for violating such obligations.