cloth surface to avoid scratches on the surface of steel doors. Suggest using soft cotton cloth to wipe the surface of steel doors. If the stain is heavy, can choose clean neutral cleaning agent or furniture cleaning agent, if not in the two cleaning agent, can choose toothpaste for cleaning. Remove stains, soft cloth and then choose dry, do not use water to wash. Warm reminder: soaked neutral reagent or water cloth not to put in the steel door surface for a long time, otherwise it will damage the surface, so that the surface

of the decorative material discoloration or peeling. Steel doors at the edges and corners do not wear too much, otherwise it will cause angular paint off. 2 steel door general door is relatively heavy, so when the hinge, steel door lock loose, should be screwed on. Hinge position should be timely sound oiling, open the lock without key hole can be flexible to add the amount at the end of the pencil core, not just oil. 3 because of wood shrinkage and bulking characteristics, temperature and humidity in the differences,

such as a slight crack or shrinkage, which is a normal natural phenomenon, don't panic, with seasonal changes, this phenomenon will disappear naturally. 4 in order to keep the steel doors of the light color, should be regularly waxing their maintenance. Summary: want to extend the service life of steel doors, you must have a good understanding of the maintenance of steel doors!Aluminum doors and windows are broken wood features Aluminum Alloy and solid wood door and window combination, through the process

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