A durable fastener

Copper and Cu alloys can be used in a variety of ways, one of which is making zippers, which are universal and prevalent in our daily lives.

YKK Fastening Products Group is one of the best-known zipper manufacturers in the world. YKK began using an UPCAST® upward casting line already in 1996. The line is operational around the clock, and it is used to process brass rod, which, after various stages of production, becomes the famous high-quality YKK zipper. YKK zippers are used, for example, in pants, dresses, sweaters, shirts, jackets and handbags all over the world.

Since the company’s founding in Tokyo in 1934, YKK has continuously set industry standards for quality, service, value, and innovation in the production of zippers, plastic hardware, hook and loop fasteners, webbing tapes, and snap and buttons. With integrated production and supply systems in 72 countries and regions around the world, YKK is positioned to meet the needs of the textile and sewing product industries as they increasingly diversify and require shorter product cycles. Guided by the CYCLE OF GOODNESS® philosophy – no one prospers without rendering benefit to others – YKK aims to contribute to a sustainable society through its products and manufacturing operations and constantly seeks new ways to serve the changing needs of its customers, while at the same time investing in its employees and giving back to its communities.