Packaging & Containers
| Thu 13 Mar 2025
Beijing, March 14 -- CN Railway Siyuan Survey & Des has been granted a patent for drainage channel box. This invention was developed by Zheng Shichen, Xiong Yiyan, Qi Lei, Xin Zhiyuan, Zhu Yongzhao, Tang Yin, Liu Fei, Lin Yanan, Chen Yong and Lyu Jiazhan.
The patent application number is CN202323573221U 20231226. The patent p..