The legal basis is the Contract Law of People's Republic of China (PRC).

Article 11 Written forms refer to forms such as contracts, letters and data messages (including telegrams, telexes, faxes, electronic data interchange and e-mails) that can tangibly express the contents contained.

Article 12 The contents of a contract shall be agreed upon by the parties, and generally include the following clauses:

(1) The name and domicile of the party concerned;

(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.