Tools and Machinery
| Mon 27 Jul 2026
Beijing, July 27 -- Laiwu Power Supply State Grid Shandong Electric Power has sought patent for Servo Flood Prevention Door Remote Automatic Control System. This invention was developed by Wang Shuai, Zhu Ruiliu, Ma Liguo, Yang Yongtong, Zhang Bendong, Zhou Qing, Zhang Guokui, Wang Weiliang, Lyu Yun, Lyu Wenhui, Fu Yuchao and Zh..