EX-16

Elevator access control system is to control and manage the elevator passengers, to prevent idle and miscellaneous personnel from using the elevator to enter and exit the control area arbitrarily, so as to improve the safety management level of the control area. Intelligent elevator control system of central control is based on the original elevator system, through the isolation of the control of the elevator peripheral buttons, the smart card technology is embedded in it, and strict authority authentication and authorization management are carried out for the personnel entering and leaving the elevator. The central control elevator control system, with its humanized linkage function, also brings more convenience to users'life and work on the basis of ensuring safety.