Steel
| Wed 27 May 2026
Beijing, May 27 -- Ningxia Road & Bridge Tongda Eng Co Ltd has sought patent for Reinforcing Steel Bar Guiding and Protecting Device of Reinforcing Steel Bar Straightening Machine. This invention was developed by Ding Shaohua, Liu Xiaoliang, Fang Bo, Tian Long, Nan Hai, Yu Tao, Ma Tao, Zhou Xiaofeng, Xu Lei, Shen Lei, Deng Shiyu..