Metal & Mining
| Wed 30 Sep 2026
Beijing, Sept. 30 -- Qingdao Zhengrong Shangpin Automation Co Ltd has been granted a patent for Automatic Iron Core Feeding Device. This invention was developed by Zhang Youfu, Li Chao, Du Junlei, Yang Bo, Jia Yulin, Zhang Liangyu, Wang Wenwu, Xiao Kangning, Liu Zhongbao, Dong Yang, Liu Wentao and Ning Jiapeng.
The patent app..