Metal & Mining
| Tue 09 Jun 2026
Geneva, June 10 -- Zhejiang Tuff Dev Co Ltd has submitted a patent application for Dead-corner-free Welding Positioner for Dual Drums. Chen Xianting, Wei Xiaohua, Liu Jun, Wang Hongjun, He Xiang, Peng Lihu, Luo Siwei, Zhao Jinkun, Wang Jun, Zhang Qi, Liu Linzhi and Wang Jiaqi developed the invention.
The patent application nu..