Yes, the whole process of Zhu Bo entering the box is recognized by human eyes without any mechanical equipment, and the authenticity of jewelry is accurately recognized by eliminating counterfeit jewelry and jade, thus protecting the rights and interests of buyers.

Ancient beads are symbols of identity, faith and wealth, which can be found in archaeological materials and tombs in different regions and times of the world. It has also become a fashion to put pearls into boxes in ancient times, and Zhu Bo rating has gained some authority in the industry.

Old beads will have rich patina on their beads. This kind of patina on the surface of old beads is a dense oxide film formed on the surface of beads by sweat and oil secreted by human body with long-term wearing. This patina gives people a warm feeling and gives off the luster of oil.