Gems & Jewelry
| Tue 28 Jul 2026
Beijing, July 29 -- Yunnan Jewelry And Jade Quality Supervision Inspection Research Inst has submitted a patent application for Quality Detection Equipment for Jewelry Accessories. This invention was developed by Zhu Ying, Sun Yidan, Li Na, Li Xueyun, Wang Jianli and Wu Yunhai.
The patent application number is CN202610253561 ..