Legal analysis: the solution to the inconsistency between the header and the signature of the contract is: it can be taken for granted that the unit or individual indicated in the header is the party to the contract. The person who signs and seals the contract is entrusted by the subject indicated on the letterhead, and has the situation of agency by estoppel, except that the subject indicated on the letterhead ratifies the contract by way of declaration or actual acceptance and performance.

Legal basis: Article 470th of the Civil Code of People's Republic of China (PRC). The contents of a contract are agreed upon by the parties, and generally include the following terms: (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.