Enviornmental
| Thu 24 Sep 2026
Beijing, Sept. 23 -- Chinese Patent for Multifunctional Environment Monitoring Device has been issued to Tianjin Keyvia Elec Co Ltd. This invention was developed by Chen Huan, Zhang Yongqiu, Zhang Zhenhua, Su Xing, Yan Zhaohui, Song Jinchuan, Wang Chuanqi, Cui Jinxu, Zhang Xiongxiong, Zhang Yanhong, Dou Xinyue, Wu Changze, Hou G..