Enviornmental
| Sat 22 Nov 2025
Beijing, Nov. 22 -- COSCO Shipping Heavy Industry has sought patent for Dock Derusting Sewage Treatment Method. This invention was developed by Li Weijing, Lai Fangming, Fei Aiguo, Lu Huagu, Yang Mao, Song Yanbin, Wang Cheng, Zhuang Qu, Zhuang Ruimin, He Qiaobao, Liu Peixiu, Lai Junyu, Zhao Yongping, Dai Changsheng and Jiang Zhi..