Security & Protection
| Sun 11 Jan 2026
Beijing, Jan. 12 -- Quanzhou Vocational and Technical University has applied Chinese patent for Hidden Intelligent Self-locking Device. Wen Shengkai, Lan Zhouming, Fang Yi, Lin Qingyun, Lyu Yongkang, Cao Dongsen, Li Chengkun, Chen Qiangqiang, Li Xinshui, Xu Jinbao, Ye Jiande, Cai Haiyi, Wang Zehua and Huang Dongming developed it..