Koyo head office is located in Sakai City, Osaka, Japan, where you can see many historical heritages including the world largest Imperial Mausoleum of Emperor Nintoku. During the medieval period, Sakai flourished and played a key role for international trading, and during the modern age, Imported oversea's technology and absorbed overseas cultures. today, Sakai, facing new international age coming along with Kansai international airport newly opened for the gate, has developed for creating new culture under the background of our history and the tradition. in this Sakai City, we, at Koyo as well as many local firms, are aiming high to the world.

Koyo with 1 century's history, has served for society and people and get served. With our theme "Dream, Aim & Adventure", we including our fresh staffs will go on to the world with our venture spirits.