Pipe
| Thu 22 Oct 2026
Beijing, Oct. 22 -- Hefei Water Environment Construction Investment has been granted a patent for Testing Device for Testing Performance of Underground Pipeline Joint. Zhang Xin, Zhang Xinyi, Han Yufeng, Zhang Hao, Wang Tao, Yu Hangfei, Feng Xiaolei, Wei Jie, Lang Yi, Xu Qianwei, Zhang Jianghong, Li Tao and Zheng Guangcan develo..