Pipe
| Fri 03 Jul 2026
Beijing, July 3 -- State Intellectual Property Office of China has released Baoding Tianwei Baobian Electric patent application for Device and Method for Manufacturing Oil Guide Pipe. This invention was developed by Fan Lijuan, Wang Weixuan, Hu Shaowei, Zhang Mingwei, Liu Zeyu, Wang Yamin, Cui Shuwei, Meng Xianxiang, Zhang Tong,..