1. Wipe gently with a dry, soft cloth. Do not use chemical detergents or acidic liquids. If you find black spots on the surface that are difficult to remove, wipe with a little kerosene.
2. It is normal for the sound to sound for a long time. In order to ensure the smooth and long-lasting quietness of the pulley, you can regularly add some lubricant maintenance every 2-3 months.
3. Prevent heavy objects and sharp objects from hitting and scratching.
4. Don't pull hard during transportation to damage the hardware at the furniture connection. Caused by clearance.