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YKK: What do these letters on your jeans/jacket zip mean

You must have noticed YKK written on zips of most of the products you use on daily basis. Do you know what these three English alphabet letters mean? The Japanese company, YKK is the world’s largest zipper producer. It was founded in 1934 by a Japanese man Tadao Yoshida. YKK stands for Yoshida Kōgyō Kabushiki. It is a Japanese manufacturing group spread all over the world. Yoshida Kōgyō Kabushiki in English means Yoshida Industries Limited. The YKK group does not just manufacture zips but buttons, snaps, buckles…