Electronic interlocking devices: the internal use of integrated circuits, electromagnetic locks, control panels and LEDs for interlocking, when one door opens, another fan door light is off, told that the door can not be opened while the electromagnetic locks interlocking action. When the door closes, another electromagnetic lock to work, the indicator will light up, indicating that another door can be opened. Transfer window Category: 1, 2 electronics chain transfer window, mechanical chain transfer window 3, self-purification transfer window transfer window can be divided according to the principle Lin Feng-transfer window and ordinary transfer window, laminar flow transfer window. We can do a variety of models based on the actual requirements of the transfer window system. Optional accessories: intercom, germicidal lamps and other accessories related functions. Apex offers a variety of sizes, features transfer window customized services, please contact us! When scheduling instructions in line to see us enjoy the network price Oh!