Construction
| Sat 10 Jan 2026
Beijing, Jan. 10 -- Chongqing Zhonghuan Construction has filed a patent application for Tunnel Air Duct Moving Support. This invention was developed by Zhu Yongyi, Wang Chengping, Wang Wanli, Zhang Xiangheng, Yang Hua, Yue Min, Yue Xiaoshu, Wang Lei, Liu Ji, Fan Xu, Wang Jie and Zhao Langlan.
The patent application number is ..