Software
| Sat 07 Feb 2026
Beijing, Feb. 7 -- Qingdao Zhongren Aolan Biological Eng Co Ltd has been granted a patent for Medium Changing Device. Li Zhiying, Lu Jinfeng, Ge Dong, Su Ruicong, Ma Mingchen, Wang Ping, Zhang Zhao, Wang Xin, Wu Zhiyong, Jiang Yujia and Wu Yangong developed the invention.
The patent application number is CN202422621026U 20241..