Pipe
| Wed 25 Mar 2026
Beijing, March 26 -- Dalian Yiduo Piping Co Ltd has applied Chinese patent for Multi-terrain Intelligent Pipeline Heat Preservation Joint Equipment. Guo Linxuan, Liu Zhongke, Bai Guang, Li Qiang, Yuan Yue, Tang Shunqiang, Hou Lili, Xie Rupeng, Yu Tie, Wang Shoujun, Jin Ying, Lyu Xinxin, Li Haoyi, Liu Dan, Wang Shikai and Cong Fe..