Construction
| Sat 11 Apr 2026
Beijing, April 11 -- Shengli Oil Field Daming Eng Construction Co Ltd has been awarded a patent for Automatic Welding Device for Tubular Pile. This invention was developed by Zhang Hai, Chen Tao, Mou Jiannan, Gao Han, Dong Junyi, Bo Yinshe, Li Yang, Wang Chan, Cui Tao and Sang Futao.
The patent application number is CN2024229..