Door panels can be cleaned daily with soft, dry cotton or silk. Rubbing the surface with a hard or medium containing hard (such as sticky dust) may scratch the surface; If the door panel of the inner door has serious stains, you can use a neutral cleaning agent or a special cleaning agent for furniture, clean the stains first, and then dry wipe. But never rinse with clean water.

If the door panel is made of resin or metal plate, remove slight scratches on its surface, and wipe it repeatedly with a soft cloth dipped in a small amount of toothpaste.

Regular waxing is an effective way to keep the surface bright and bright if the door panels are made of wood or lacquered panels, while glass or resin sheets do not need to be waxed.

Secondly, wipe the hardware, the hardware is the soul of the inner door

Handles, lock bodies, hinges, etc., although they are small, they play a significant role. The key to the service life of the inner door lies in the maintenance of the hardware.

Stainless steel handles and other stainless steel hardware can be wiped with brightener or car wax to add brightness.

Hinges, hanging wheels, casters and other moving parts may degrade their performance due to dust adhesion during long-term movement, and one or two drops of lubricating oil every six months or so can keep them smooth.

When the lock cylinder rotation is not flexible enough, a small amount of black powder can be scraped from the pencil lead and gently blown into the keyhole. This is because the graphite component is a good solid lubricant. Do not drip in lubricating oil, as it will make it easier for dust to adhere.