Tools and Machinery
| Wed 15 Apr 2026
Beijing, April 16 -- Chinese Patent for Subway Platform Screen Door Self-cleaning Device has been issued to Hangzhou Wanxiang Polytechnic. This invention was developed by Pan Leyi, Du Mengqi, Li Jia'er, Tang Yuanli, Zhu Anqi, Kim Han-ah, Weng Yongjie, Lin Xinyi, Wang Zhihan and Dai Qiwei.
The patent application number is CN20..