Pipe
| Wed 08 Jul 2026
Beijing, July 8 -- Zhengjisuo Zhengzhou Transportation Technology has submitted a patent application for Flanging and Sealing Process for Metal Corrugated Pipe of Gear Coupling. Li Yizhe, Liu Zhongling, Huang Shuaizong, Fan Zhenyue, Wang Wanli, Shi Lubing, Chen Huixiao, Yan Shidang, Jiang Hexin and Zhang Xiangru developed the in..