As the professional manufacture, we would like to provide you high quality Double door 350KG Electromagnetic lock 800lbs. And we will offer you the best after-sale service and timely delivery.As a professional Double door 350KG Electromagnetic lock 800lbs manufacture, you can rest assured to buy Double door 350KG Electromagnetic lock 800lbs from our factory and we will offer you the best after-sale service and timely delivery.Electromagnetic locks consist of an armature and a coil assembly, which become magnetized when an electric current passes through them. This magnetic field secures the door and electronically controls when doors are locked and unlocked.
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