Construction
| Sat 14 Feb 2026
Beijing, Feb. 14 -- Poly Changda Engineering and Sichuan Jingwei Wanda Tech Co Ltd have applied Chinese patent for Gridding Electronic Fence Attendance Monitoring Processing Method and System. Leng Jiajin, Chen Kaizuo, Wang Yongjun, Wu Xunhua, Li Qiang, Zeng Wei, He Rongfeng, Peng Qijian, Pan Guibin, Wei Xiaozhi, Yang Hao, Pan Y..