2. At present, jade appraisal is mainly carried out by Wei Jewelry and Jade Appraisal Agency which has passed the national appraisal qualification certification, and the instruments are certified and meet the national standards.
3. For example, the certificates of natural jadeite A and Hetian jade are issued. If it does not meet the standard, the words dealing with jadeite will be indicated. Such appraisal institutions are generally found in major capital cities, and there are also cities with active jade trading.