Advertising
| Mon 10 Feb 2025
Beijing, Feb. 10 -- Shaanxi Jincheng Advertising has secured a patent on exhibition hall design service exhibition device. Cui Nana, Fang Ying, Guo Xinwu, Liu Dan, Choi Dong-Dong and Dong Jianghui developed the invention.
The patent application number is CN202322576812U 20230922. The patent publication number is CN221196617 (..