Security & Protection
| Thu 17 Sep 2026
Beijing, Sept. 17 -- Chinese Patent for Mechanical Seal Water Pump Alarm Device has been issued to Chalco Shandong. This invention was developed by Shi Guangyu, Tian Xingkai, Di Yuankang, Zhou Kangjun, Liu Deming, Qin Jianwu, Xing Jingya, Xu Xiangsheng, Yang Wei, Xing Ruizhao and Wang Yang.
The patent application number is CN20..