Construction
| Wed 01 Apr 2026
Beijing, April 1 -- Jiangsu Sujiang Construction Eng Co Ltd has submitted a patent application for Road Construction Drainage Device. This invention was developed by Chang Xiaowen, Wang Xiaoqin, Wu Yuhui, Chen Jianqiang, Sun Jianjun, Zhang Yanhua, Gong Ruihua, He Min, Liu Jianming and Tang Weiwei.
The patent application numbe..