Legal basis: Article 76 of the Civil Procedure Law of People's Republic of China (PRC), the parties may apply to the people's court for an appraisal on the specialized issue of finding out the facts. If the parties apply for appraisal, the qualified appraisers shall be determined by both parties through consultation; If negotiation fails, it shall be designated by the people's court. If the parties concerned do not apply for identification, and the people's court considers it necessary to identify specialized issues, it shall entrust a qualified appraiser for identification.
As for the artistic signature, you have to think for yourself to be original. I can bring something between