1. Generally speaking, the quality inspection results can be produced on the same day, and the formal jade testing institutions are recognized by the national authority. However, if you have jade appraisers or old experts around you, you can also give them an appraisal. Generally, they can basically distinguish the authenticity of jadeite without instruments.

2. Once you buy a home, for one reason or another, you will always worry about whether you will buy defective jade, but you will often ask around where to identify jade ornaments. If you want to accurately identify the authenticity of jade products, you can go to the provincial or national jade jewelry identification center for identification.

3. To identify the authenticity of jade, you can send it to the local jade quality inspection center for inspection, and usually the results will be available on the same day. In addition, you can also cut jade with your own knife or knock jade with chopsticks. If traces are drawn or the voice is hoarse, it means that this jade is fake.

4. China Metrology Certification Association consists of national or provincial metrological certification and accreditation institutions and accredited metrological certification units. CAL is a nationally recognized testing institution. CNACL has passed the test of the national accreditation testing organization of China Laboratory.