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The maintenance of the door handle

(door handle)You can scrub it with salt and vinegar to restore its luster as new.

(door handle)You can use a soft cloth to wipe with dirt powder or detergent to restore brightness.

(door handle)You can dip a soft cloth with clean water or neutral detergent, and do not use strong acid-base cleaners such as ordinary soap, washing powder, dirt powder and toilet detergent.