Pipe
| Tue 06 Oct 2026
Beijing, Oct. 5 -- State Intellectual Property Office of China has awarded a patent to Baiyin Yinguang Shuangyin Chemical Equipment Co Ltd for Automatic Welding Device for Pipeline Connection. Wang Xiaoqiang, Qiu Genyuan, Meng Jun, Wang Yongping, Zhang Kewei, Lu Youhong, Wang Xiwang, Xu Lifa, Guo Liang, Zhang Limei, Li Shufeng, ..