Security & Protection
| Tue 03 Nov 2026
Beijing, Nov. 3 -- State Intellectual Property Office of China has awarded a patent to Nanfang Ventilator Co Ltd for Nuclear-grade Low-leakage Fireproof Valve. Huang Guanhua, Hong Wenbin, Zhang Miaofen, Li Guodong, Chen Dahai, Lin Wenpei, Xie Hongbin, Yang Jiyun, Huang Yanzhuang and Yang Zhijia developed the invention.
The pa..