WTF Fun Fact – YKK Does Everything Itself

The YKK zipper company does everything in-house to ensure consistent quality and speed of production. It manufactures its own zipper-manufacturing machines, makes the shipping boxes, smelts the brass, spins and twists the thread, and weaves and color-dyes cloth for its zipper tapes. – WTF Fun Facts

Source: YKK zippers: Why so many designers use them. (


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