YKK's full name is Yoshida Kogyo Kabushikigaisha. YKK is the originator of the zipper industry and represents the industry standard. Because of Japan's precise craftsmanship, raw materials and management methods, YKK's price is about 10 times that of other brand zippers. At present, YKK is still the largest market share owner in the zipper and button industry.
Just because of their irreplaceable quality. Because of its high price and the amount of bag zippers is very large, most backpacks are not willing to use YKK zippers. However, manufacturers who have been pursuing perfection cannot have any regrets on the product.