Enviornmental
| Sat 19 Sep 2026
Beijing, Sept. 19 -- State Intellectual Property Office of China has awarded a patent to Jiangxi Qilian Environmental Protection Tech Co Ltd for Dosing Device for Secondary Treatment of Sewage. Tu Lixin, Wen Jianxin, Cai Jiaqiao, Zang Wei, Xu Pengyang, Hu Cong, He Haibo, Liu Shijun, Lan Qiusheng and Lian Jianming developed the i..