legal ground
Article 34 of the Civil Procedure Law: The parties to a dispute over a contract or other property rights and interests may, by written agreement, choose a people's court such as the defendant's domicile, the place where the contract was performed, the place where the contract was signed, the plaintiff's domicile and the location of the subject matter. It is actually related to the dispute, but it shall not violate the provisions of this law on hierarchical jurisdiction and exclusive jurisdiction. Article 493 of the Civil Code Where the parties conclude a contract in the form of a contract, the place where the contract is finally signed, sealed or fingerprinted shall be the place where the contract is established, unless otherwise agreed by the parties.