Shanghai professional installation access control system, attendance system, fingerprint access control system 021-51860559 company specializing in installation, access control system, attendance system, fingerprint access control systems, locks, door locks, magnetic locks, building intercom, "Installation and maintenance" Access design, construction maintenance access. Provide on-site installation and maintenance of various access control systems, access control card, building intercom, locks, electromagnetic locks, electronic door lock. Welcome to inquire. There are single door control system host machine, two control machine, four control machine and multi-door control unit choose to use. Readers, controllers, cards, power locks (or infrared radiation, three roller turnstiles) composition, fingerprint access controller access control system access control installation. Attendance fingerprint attendance machine IC card punch machine installation. A variety of access control system installation