Transportation
| Thu 04 Dec 2025
Beijing, Dec. 5 -- Hunan No 4 Engineering has been granted a patent for Telescopic Tower Crane Safety Channel. Tan Xueao, Xu Chengfen, Yue Jianjun, Pan Chuanjia, Zhu Junqin, Zhao Lei, Dai Tingyu, Peng Heng, Chen Qiwei, Zhang Yi, Tan Yao and Xiao Fei developed the invention.
The patent application number is CN202422421972U 20241..