Kocayusuf was founded in 1961 by Yusuf Ziya Güleray in a small workshop in İstanbul, and is now a family business managed by 3rd generation members. He took the experience gained from his founding master one step further with his 2nd Generation engineer sons and today the 3rd Generation took over the flag. Kocayusuf, which produces in 3 factories with a total closed area of ​​18.000 m2 in Y. Dudullu and Dilovası Organized Industrial Zone, always targets customer satisfaction and quality with thousands of working machines.