Enviornmental
| Tue 22 Jul 2025
Beijing, July 22 -- Chinese Patent for concentrated sulfuric acid discharging device and sewage treatment system has been issued to Ningbo Iron & Steel. This invention was developed by Wu Cheng, Ni Chunyu, Zhang Wang, Wu Zhiwei, Wang Qinglin, Yu Yanjiang, Jin Kesen, Li Hui, Chen Zhanzhou, Zhang Pan, Xu Zhengxing and Wu Xilin.
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