Enviornmental
| Wed 20 Nov 2024
Beijing, Nov. 20 -- China Constr Ind & Energy Eng Group has been granted a patent for supporting tool for sewage pipeline installation. This invention was developed by Liu Jiajie, Shi Fajie, Zhou Yourong, Zhang Kangkang, Zhou Rong, Li Lijun, Yang Jiawei, Su Jianbing, Wang Xudong, Zhu Zongshuai, Tao Wei, Wang Shulin, Sun Liwei, Z..