Gems & Jewelry
| Fri 10 Apr 2026
Beijing, April 10 -- Dia Inc has received a patent for Jewelry with Adjustable Length. This invention was developed by Zhou Ziwei, Ding Ming and Lin Jiarui.
The patent application number is CN202422740019U 20241108. The patent publication number is CN223437999 (U). International Patent Classification codes are A44C11/00, A44C..