Sanitation
| Fri 26 Dec 2025
Beijing, Dec. 27 -- Shandong Huaxi Intelligent Equipment Tech Co Ltd has obtained a patent for cross-country crawler-type intelligent drainage robot. This invention was developed by Zhang Haiyan, Zhang Zhanyong, Cao Hui, Liu Peng, Sun Jie, Jia Kun, Chen Kunpeng, Wang Yong and Zhao Guodong.
The patent application number is CN2..