Chemicals
| Fri 13 Nov 2026
Beijing, Nov. 13 -- Ningxia Tianyuan Manganese Limited Co has received a patent for Air Valve for Acid Mist Absorption Tower Pipeline. This invention was developed by Wang Jinghu, Ma Haitao, Qiao Jie, Du Xubo, Wang Haifeng, Wang Liangxiong, Zhang Jianyong and Jia Tianjiang.
The patent application number is CN202520678858U 202..