Concept
We are a leading manufacturer of drilling machinery that also offers drilling services for underground development.
No matter whether it’s domestic or overseas, we, KOKEN will be your best partner to develop social infrastructures, such as hot springs, groundwater, environmental engineering, and other special drilling techniques.
Management philosophy
Clients’ satisfaction is our source of reliability, the happiness of our employees and families is our foundation of energy and we will be a company that makes an unlimited contribution to the earth and society.
