Legal analysis: when signing a contract, the parties should sign their full names. If the abbreviation can represent the parties to the contract, and the contract conforms to the law, the contract will take effect.

Legal basis: Article 470 of the Civil Code stipulates the contents of the contract, which generally includes the following clauses: (1) the name and domicile of the parties; (2) Subject matter; (3) quantity; (4) quality; (5) Price or remuneration; (6) Time limit, place and method of performance; (7) Liability for breach of contract; (8) Methods for resolving disputes. The parties may conclude a contract by referring to the model texts of various contracts.