In the jade wholesale market and antique trading market, Wang Chunyun's so-called "certificate" is synonymous with fakes, which means that the so-called "certificate" is 100% fake and has no legal basis for identification, so it was not accepted by the court when it was presented as evidence in court. In the judge's meaning, it is a self-talk report. Compared with the certificates of formal statutory inspection institutions, Wang Chunyun's "certificates" are nothing.