Banking
| Fri 23 Oct 2026
Beijing, Oct. 23 -- Wenzhou Water Conservancy and Electric Power Survey And Design Inst Co Ltd has obtained a patent for concrete tree stump for river bank protection. This invention was developed by Cai Songhan, Tao Yiwen, Fang Rui, Hu Xiangtong, Zhao Yutian, Wang Lian, Cai Zhicai, Zhang Mai, Jin Yunji, Zhou Wancheng, Tang Chen..