Pipe
| Sun 01 Dec 2024
Beijing, Dec. 2 -- Beijing Urban Construction Group Co Ltd has received a patent for adjustable portable device for punching air pipe support. This invention was developed by Liu Jingcheng, Zhong Tao, Feng Shuang, Wang Yue, Wu Xiaowan, Tao Libing, Zhao Jiancheng, Zhang Jian, Shao Mingchi, Yang Lin, Han Yuanyuan, Wu Jie, Sun Zhen..