Advertising
| Wed 25 Mar 2026
Beijing, March 25 -- Yixia Electronic Tech Shanghai Co Ltd has applied Chinese patent for Tourist Attraction Identification Advertising Equipment. Luo Qiao, Guan Yinbo, Zheng Yanjun and Luo Yuwei developed it.
The patent application number is CN20251164643 20250731. The patent publication number is CN120913500 (A). Internatio..