Tools and Machinery
| Wed 22 Jul 2026
Beijing, July 22 -- State Intellectual Property Office of China has received Wang Xinjun patent application for Cold Extrusion Connection Joint for Electrical Piping and Use Method Thereof. Dai Subo, Wang Xinjun, Zhu Yonghui, Cao Peng, Wang Tao, Wei Wentao, Zhang Tieqiang, Zhang Xiaolong, Tao Dejiang, Li Jiapu, Jing Long, Luo Le..