1. Metal zipper in high temperature, wet state long time to save, it is possible to change color, so please keep the metal zipper in the dry environment.
2. Garment washing processing, before the bulk processing, need to be fully tested beforehand to confirm whether there will be a zipper discoloration, removal and the phenomenon of damage to the head.
3. Metal zipper used in leather products, such as leather fabric and treatment and drying is not sufficient, may lead to zipper discoloration and corrosion phenomenon. Therefore, before the zipper sewing, please test to confirm that no discoloration and corrosion.