Service support

If you purchase the product, use and maintenance, etc. have any questions, call the service hotline 400-800-8370 contact us. You will get a satisfactory answer detailed and thoughtful service.
  • Know your door01
  • Open the door direction02
  • Measuring the thickness03


YANDON intelligent lock of door of guard against theft that applies to 90%, when buying, please make sure the installation type and size of the door;
How to determine whether the heavens and the earth pole. At the top of the pop up when the door lock tongue edge or side have pop-up lock tongue.


Security door type Installation instructions Lock body use
National standard security doors Signed Using a standard lever lock body
Non national standard security doors be specially adapted Using a standard lever lock body
Wooden doors According to the opening template standard Using without a standard lever lock body
Bronze doors According to the opening template standard Using without a standard lever lock body
Overlord lock anti-theft door According to the king of the lock body Using standard belt world lever lock body



Tips: how to choose the door lock direction? The hinge installed in the which side (left or right) is the left or right open door is the door; inside is outside.
   
【left inside 】In the face of the door, hinge installed in a frame on the left, and pushed the door and down inside;
【right inside 】In the face of the door, fully installed at the right hand door frame, if pushed the door and down inside;
【right outside】In the face of the door, hinge installed at the right hand door frame, if the outward push door;
【left outside】In the face of the door, fully installed in a frame on the left, and go toward outside sliding door;
   



Tip: how to choose the door open direction? Where hinge is installed (left or right) is the left or right away; Is push door, sliding door is outside.
   
Determine the thickness of the door Determine the width of the lock body guide plate