Retail & Household
| Fri 06 Mar 2026
Beijing, March 6 -- Yunnan Power Grid has applied Chinese patent for Intelligent File Cabinet and Management Method. He Zhaolei, Liu Bin, Tan Taiyang, Mu Yaming, Fan Tianxiao, Yu Hengjie, Zhang Jianwei, Wang Yi, Yang Yunxi, Gao Liping, Sun Limin, Wang Chao, Li Xingda, Deng Ang, Zhao Junhong and He Ao developed it.
The patent ..