D-801, Shangdi Science Building, Shangdi West Road, Hadian, Beijing, Beijing
Bluecard Software Technology Co. Ltd. is a ISO9001 certified, research-based technology company. We primarily engages in developments the fields of large-scale databases, wide-area networks, wireless communications, and smartcard-related ...
guard tour, card reader, patrol, electronic watchman clock, time attendance, access control, patrol manager
