Gems & Jewelry
| Wed 16 Jul 2025
Beijing, July 17 -- Dongguan Baolun Tech Co Ltd has been awarded a patent for jewelry buckle with bolt buckle structure. This invention was developed by Sun Zhen, Wu Wenjing and Kuang Sili.
The patent application number is CN20242149411U 20240515. The patent publication number is CN222264593 (U). International Patent Classifi..