Enviornmental
| Tue 27 Oct 2026
Beijing, Oct. 26 -- State Intellectual Property Office of China has awarded a patent to Zhengzhou Zhengdong New District Water Affairs for Material Uniformizing Device of Sludge Slitting Machine. Wang Wei, Han Yu, Wang Yong, Li Guanya, Jian Yangyang, Wang Minzhan, Li Kui, Chen Yuehao, Sun Xiaoping, Zhao Yan, Zhang Qian and Yu Ho..