Some jewelry appraisal certificates do not support online inquiry. Beijing Gaode Jewelry Appraisal Institute is one of the earliest institutions engaged in jewelry and jade appraisal and research in China. Some jewelry appraisal certificates do not support online inquiry, but need offline inquiry. Beijing Gaode Jewelry Appraisal Institute is the only jewelry authority in China that has obtained international and domestic certification. At the same time, it was recognized by the judicial system as the designated appraisal institution for the jewelry involved, and cooperated with the judicial system to complete a lot of appraisal work.