Security & Protection
| Sun 20 Sep 2026
Beijing, Sept. 19 -- Jinhua Co Zhejiang Tobacco Co has sought patent for Enterprise-level-oriented Two-dimensional Code Management, Service and Safety Guarantee Method and Device. This invention was developed by Chen Nan, Ma Yi, Mao Jingfang, Li Yangyang, Zhang Hao, Ji Yuanxiang, Guo Xiaogang, Wu Wanfei, Luo Min, Chen Yuxiang, S..