The wire rope selection surface of the garage door is very wide, but the professional manufacturer of the garage door will effectively avoid some problems. First of all, the selection of the wire rope needs to calculate the diameter of the wire rope according to the weight and safety factor of the garage door door. The safety factor of the wire rope is 4- 6 times. Usually, if the area of the door leaf is less than 25 m², a steel wire rope with a diameter of 4mm is used. If the area of the door leaf is more than 25m², a steel wire rope with a diameter of not less than 5mm is used.

Secondly, the ropes of the steel wire rope also played an assisting role: steel wire rope clamps, aluminum alloy pressed joints, ordinary collars, etc. The wire rope of Chi Hardware garage door panel has been strictly measured and preset at the beginning of the design, and the life after installation and use is very stable and long.