Industrial door hinges
Material: galvanized steel
Thickness: 2.0mm, 2.5mm
There are side hinges, middle hinges, top hinges.
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A hinge is a mechanical device that connects two solids and allows relative rotation between the two. The hinge may be constructed of a moveable component or of a foldable material.
1. Wipe gently with a dry soft cloth. Do not use chemical cleaner or acidic liquid. If it is found to have black spots on the surface, it can be wiped with a little kerosene.
2. It is normal to use the sound for a long time. In order to ensure the smooth and quiet sound of the pulley, you can regularly add lubricant maintenance every 2-3 months.
3. Should prevent heavy objects and sharp objects from colliding and scratching.
4. Avoid pulling hard when handling, and damage the hardware at the joint.