Enviornmental
| Tue 26 May 2026
Beijing, May 26 -- China 22MCC Group Corporation has sought patent for Sponge City Rain Sewage Diversion Discharge Device. This invention was developed by Zhang Haifeng, Ma Jingchun, Yan Hai, Huang Shibin, An Jinyou, Pan Chengxiang, Bao Haibo, Li Bo, Fan Zhihong, Zhang Zhidan, Lyu Zeyuan, Zhou Zhiqun, Liu Enchao, Zhao Peng and X..