2, gold jewelry product quality supervision and inspection center. The quality supervision and inspection center of gold jewelry products is located next to the neighborhood committee of Long Ting Society in Mudan District, Heze City, Shandong Province. Purpose and business scope provide inspection guarantee for the fair trade of gold and jewelry products.
3. yes. Cao Xian Antique Collection is a formal company registered by the Industrial and Commercial Bureau, with relatively high qualifications, and its business scope includes the appraisal of antique artworks, porcelain and jade articles, etc. Cao Xian's jade appraisal place is in Cao Xian Antique Collection.
4. Heze Museum, in the middle of Huaying Road, facing Peony Hotel in the north.
5. Where can I identify jadeite: If you want to identify jadeite, you can go to the Jewelry and Jade Quality Inspection Center. Generally speaking, every provincial capital city will have a jewelry and jade quality supervision and testing center, and the most authoritative one of these institutions is the National Jewelry and Jade Quality Supervision and Testing Center, because this institution was originally affiliated to the Jewelry and Jade Jewelry Management Center of the Ministry of Land and Resources.
6. Jade can go to an authoritative jewelry and jade appraisal institution recognized by the state for instrument appraisal and issue an appraisal certificate. The simplest way to identify jadeite is: luster: after being soaked in strong acid and alkali, jadeite has loose structure, and there are pits on the surface before it is full, which makes it spread and its luster weaken.