What does YKK written on all zippers mean and what does it represent?

YKK is a Japanese manufacturing company who is also famous for manufacturing world's finest zippers. The reason why YKK is written on all zippers including your Levi's jeans is that because all these zippers are being manufactured by YKK. It is the same reason why the Intel chip inside a Microsoft computer or any other computer says 'Intel'.
ykk zipper