Pipe
| Thu 16 Apr 2026
Beijing, April 16 -- Cangzhou Longtaidi Pipe Tech Co Ltd has submitted a patent application for Equipment and Method for Avoiding Wrinkling of Inner Arc of Large-diameter Thin-wall Bent Pipe. This invention was developed by Liu Qing, Liu Jingyang, Cong Yuan, Wang Chao, Hu Yanzi, Li Xu, Hao Guangbo, Yan Peiqing, Jang Dong Hwan, D..