Advertising
| Mon 17 Aug 2026
Beijing, Aug. 18 -- State Intellectual Property Office of China has awarded a patent to Henan DR Construction Group for Rail Type Material Signboard with Adjustable Position. Cheng Wenyuan, Zheng Liyong, Zhang Feng, Cheng Xiaoqiang, Liu Chaochao, Ge Fanglin, Yang Qingchuang, Gao Yulin and Shi Shabin developed the invention.
The..