Construction
| Thu 18 Jun 2026
Beijing, June 18 -- Anhui Meiwen Environment Tech Co Ltd has submitted a patent application for Lower Open Caisson Observation Window and Assembly Thereof. This invention was developed by Guo Yongbin, Towel Jie, Li Yuexian, Xun Xuan, Yao Min, Cui Min, Wang Wenqin, Zhou Aipeng, Lin Changjian, Cheng Yiwu, Zhang Jie, Xia Youwu, Xia..