We are a leading manufacturer
of drilling machinery,
that also offers drilling services
for underground development.
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
infrastructure, such as hot springs, groundwater,
environmental engineering and other special drilling techniques.
KOKEN will be your best partner to develop social
infrastructure, such as hot springs, groundwater,
environmental engineering and other special drilling techniques.
Hot Spring Development
Groundwater utilization business
Environmental business
Large-Diameter Rock Drilling Work
PS wire line sampling method
Continuous impact dynamic penetration test
Overseas business
Big Man Rock Mall Construction Method
Geothermal utilization system
Small diameter steel pipe pile micro pile method