Pipe
| Mon 24 Aug 2026
Beijing, Aug. 25 -- Guangxi Construction Engineering No. 1 Construction Engineering Group has obtained a patent for trolley moving device built by using steel pipes. This invention was developed by Sun Fuda, Tan Kaijun, Wang Liang, Wei Zhaoquan, Zhou Xin, Liu Hansheng, Xue Chao, Ruan Jiarong, Zeng Keqiang, Tang Jian and Huang Ge..