Sanitation
| Wed 23 Sep 2026
Beijing, Sept. 23 -- State Intellectual Property Office of China has awarded a patent to Chongqing Chuanyi Control Valve for Part Cleaning Device. Chen Yao, Liu Junliang, Shang Hongbao, He Wu, Li Li, Chen Lin, Wang Cong, Meng Ziyu and Wen Maoyuan developed the invention.
The patent application number is CN202422658150U 202410..