Tobacco
| Tue 18 Nov 2025
Beijing, Nov. 18 -- China Tobacco Henan Industrial has submitted a patent application for Boiler Tail Manhole Fire Observation Lens Cooler. Li Yun, Wang Wenhui, Wang Zhiguo, Wang Weishang, Yang Ruhui, Hong Jian, Wei Zhifeng, Yu Songyan, Liu Jiulong, Liu Yijun, Zhang Zhengsheng, Sun Yifeng, Chen Xia, Jia Luolin, Wen Jinfang, Yang..