There is a strong function of the invisible zipper accessories must be used properly, it can prolong the service life, otherwise easily damaged. Pull the invisible zipper can not force big, because of this force will often greatly exceed the zipper promised load. Stealth zipper cloth and pull head quality is mainly divided into grades: such as A, B, C class, the more forward quality, the better. There is a strong function of the invisible zipper accessories must be used properly, it can prolong the service life, otherwise easily damaged. Pull the invisible zipper can not force big, because of this force will often greatly exceed the zipper promised load. Stealth zipper cloth and pull head quality is mainly divided into grades: such as A, B, C class, the more forward quality, the better.

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