Plastics
| Wed 11 Nov 2026
Beijing, Nov. 11 -- Sichuan Communications Construction Group has been granted a patent for Automatic Maintenance Device for Hollow Thin-wall High Pier. This invention was developed by Song Liming, Qin Xiaodong, Zhong Shengran, Tang Kun, Yu Xin, Xu Lin, Yang Dianwei and Feng Jiang.
The patent application number is CN202520535..