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Anonymous users2024-01-23You can adjust the closing time of the door closer, there are screws on the door closer to adjust the speed of the door, ordinary screwdrivers can, you can find it, it should be two slotted screws, a screw tube 45 degrees, two screws are exactly 90 degrees, the door is opened to 90 degrees to close back, adjust the tightness of the door closing screws of the front 45 degrees and the back 45 degrees respectively, you can adjust the speed of closing the door.
Customized magnesium alloy or aluminum alloy sliding door.
Iron God fingerprint password lock anti-theft function The quality is OK, and the general fingerprint password lock manufacturers will set up the bidding password, and then there are instructions to bring,
If you are inside, you can open it, you can just ask someone to pull out the outside key, if you are outside, you can only call the unlock.
1. You should immediately find a sales and installation unit for maintenance. >>>More
GMFM stands for steel and wood fire door (insulation depends on A or B at the back), 1024 width and height, b stands for door leaf with glass, d stands for single notch of door frame, l (L) stands for upper light (meter of door leaf, above is bright window) A is completely insulated! B is partially insulated, C is not insulated, which means that the fire resistance limit is 1 hour, B represents grade B, and -1 is a single fan. 5 is clockwise and 6 is counterclockwise! >>>More