Sports
| Sun 26 Oct 2025
Beijing, Oct. 27 -- Zhejiang Winner Fire Fighting Equipment has received a patent for Bottom-mounted Ball Type Fire Extinguisher Valve. This invention was developed by Xu Jia, Wang Xiaodong, Zhao Mingmin, Zhang Jianguo, Tang Jialiang, Zhu Ting, Wu Jingqing, Zhang Dailing, Cao Shuo and Xiao Weifeng.
The patent application number..