Suitable for the door with a width not exceeding 4 meters and height of no more than 3 meters. That the average weight of the door,
should not exceed 130 kg. But if you want the door wider than 4 meters should be divided into compartments, each no more than 4 m
.Using the removable center pillars. Or middle pillar type sliding away according to appropriate
help pull the door up and down, lock the door with the key Jae
(should open up to maximum. Hook stop, impact time door open).
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