Next time you zip up, or zip down, check out your zipper. There’s a good chance it’ll say YKK. But, what is YKK? I head to South Gate, California, to find out. At Koos Manufacturing in South Gate, ...
A shrewd businessman named Tadao Yoshida founded the zipper behemoth in Tokyo in 1934, deciding to focus on just one simple product—an essential tool used to fasten clothes, accessories, and other ...
YKK Corporation has developed an environmentally friendly water repellent AquaGuard Natulon zipper and will spend about one year gradually replacing its conventional water repellent AquaGuard zipper ...
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