吉田忠雄创办的YKK公司以生产拉链著名，有人称，如果把YKK一年生产的拉链接起来，可以从月球到地球打四个来回，“拉链大王”的桂冠自然也就落在了吉田头上。想称“大王”，谈何容易。创业之初，吉田只是一个背着瓷器、鞋子四处奔波的小商贩，后来，他“自立门户办起了一个叫 YKK, founded by Yoshio Yoshida, is famous for producing zippers. Some people claim that if you link YKK’s one-year production, you can make four round trips from the moon to the earth. The title of “zipper king” naturally falls on the head of Yoshida. . Want to call “king” is easier said than done. At the beginning of the venture, Yoshida was only a small trader carrying porcelain and shoes. Afterwards, he started his own business.