Sanitation
| Tue 09 Jun 2026
Beijing, June 9 -- State Intellectual Property Office of China has received China Metallurgical Construction Engineering Group patent application for Pouring Formwork for Sunken Toilet. Wang Xu, Zhang Yuliang, Lyu Jinwei, Wang Qiang, Zeng Zhuo, Xu Chao, Zhang Ziran, Zhang Zengyu, Huang Yuan, Ning Shuo, Fan Bin and Li Mingxiong d..