List of Construction Machinery products

100% recycled gypsum derived from waste gypsum boards is reused as raw material, achieving effective carbon neutrality during manufacturing!

• Gypsum board and moldings

Developing equipment and technology for air conditioning, water supply and drainage, and kitchen drainage!

• Air conditioning equipment
• Water Treatment Plant
• Water supply facilities

A drilling machine suitable for geothermal exchange wells in residential, commercial, and industrial facilities! Utilize geothermal energy for heating in winter and cooling in summer!

• Drilling Machine

Is your preparation for fuel risks perfect in case of an unexpected situation?

• Prime movers, torque converters, hydraulic equipment, generators
• Other Management Services
• Fire extinguishing equipment

Successfully achieved a significant reduction in sludge recovery costs, resulting in an annual cost reduction of 2.2 million yen!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Install a surface-mounted blaster tank, which is typically buried underground, to build a cost-effective wastewater treatment system!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Even in summer, we maintain a dissolved oxygen concentration of over 5.0 mg/L. We have successfully reduced high concentrations of oil and fat, which were at 500 mg/L, to a single digit after 40 hours...

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Even after nearly 10 years, it operates without any issues! We have achieved a cost reduction of 12 million yen per year.

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

"It is a dream-like wastewater treatment system." We received this evaluation and have received a repeat order for the wastewater treatment equipment for the new factory.

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

The load reduction rate with conventional carrier treatment was 24.2%, while the Aqua Blaster achieved a reduction rate of 39.1%. This resulted in a 1.24 times difference in capacity!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Successfully introduced the prototype of the Aqua Blaster and cleared the release standard values!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

The removal rate of BOD is 80%, and the removal rate of normal hexane extractable substances is 82%, showing significant improvement! Even after more than 8 and a half years, it maintains a no-mainten...

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

There were issues with treatment due to the aeration from the mixer and disk-type diffuser, but by introducing the Aqua Blaster, it became possible to completely stop the mixer!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Creating technology, expanding the future.

• Turbid water and muddy water treatment machines
• Concrete Machinery

As a result of switching to the Aqua Blaster, BOD was reduced by over 30% using a weighted average! Poor sedimentation has been resolved, allowing for stable discharge without the need for chemical do...

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

The pH automatically increased without using a neutralizing agent, and the adjustment tank alone reduced the load by over 70%.

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

After the delivery of the Aqua Blaster, despite the removal of the sprinkling floor, the coagulant became unnecessary, and the river discharge standard values were also achieved!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

As a result of changing the existing aeration device in the adjustment tank to an Aqua Blaster and increasing processing capacity, we achieved a reduction in normal hexane extractives and sludge!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

After returning sludge from the sedimentation tank to the adjustment tank, surplus sludge (approximately 5.1 tons/month) was eliminated, and electricity costs were reduced by about 10%.

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Dehydration is possible with inorganic coagulant solution 1! Here is an example of how disposal costs for dehydrated cakes have been reduced.

• Turbid water and muddy water treatment machines

We also propose a suitable formulation for the coagulant! Here are examples where maintenance costs have been significantly reduced.

• Turbid water and muddy water treatment machines

Using water treated by drainage treatment facilities! Introducing a case where stable dewatering cake discharge has become possible.

• Turbid water and muddy water treatment machines

Full hydraulic rotary percussion drill 'Aroad Drill' series with skid base, equipped with short guide cell type (compatible with 3.0m liner)

• Drilling Machine

Full Hydraulic Rotary Percussion Drill 'Aroad Drill' Series Skid Base Type Lightweight Model

• Drilling Machine

A new type of general-purpose skid-based air drill equipped with various new features.

• Drilling Machine

The definitive version of the KOKEN-made plunger pump has dramatically increased its capacity and continuous discharge pressure.

• Foundation construction machinery

The KOKEN fully automatic batch plant series now features a step-up design for the elevation steps.

• Foundation construction machinery

High-power type skid base full hydraulic rotary percussion drill 'Aroadrill' series

• Drilling Machine

Space-saving design yet large capacity, significantly reduced pulsation.

• Foundation construction machinery

Skid-based full hydraulic rotary percussion drill 'Aroad Drill' series compatible with 3.5m liners.

• Drilling Machine

Equipped with the high-performance drill head model "KD-550"! A lightweight and compact high-output air drill.

• Drilling Machine

NEDO high-efficiency vibratory drilling machine equipped with an automatic attachment and detachment device for double pipes suitable for 100m excavation.

• Drilling Machine

Even hard rock formations can be efficiently drilled with a large diameter! A large auger drill equipped with a skid base.

• Drilling Machine

Achieving a balance between lightweight design and power! Skid base type air drill equipped with a free clamp.

• Drilling Machine

Compact All-Hydraulic Rotary Percussion Drill

• Foundation construction machinery
• Drilling Machine

Development of products that meet the needs of the times and establishment of boring methods.

• Bridge Construction
• Ground improvement
• Rock drills, demolition machines, and excavators

It is a portable large-capacity fully automatic batch plant.

• Foundation construction machinery
• Ground foundation construction method

You can operate everything from material mixing to plant operation control via the remote control screen.

• Foundation construction machinery

The Rotary Percussion Drill RPD-180C has cleared the fourth exhaust emission regulations with the new engine installation and has also achieved a power boost.

• Tunnel construction
• Foundation construction machinery
• Ground improvement

Change the existing aeration device in the treatment tank to an Aqua Blaster to enhance processing capacity, allowing treatment to be conducted without the use of a pressurized flotation device.

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

The first case that proved it is possible to discharge into rivers without using activated sludge!

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

We have eliminated the need for the recovery of floating oil and successfully reduced the final sludge from activated sludge treatment.

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

By changing the aeration pipes of all the tanks from the adjustment tank to the aeration tank to Aqua Blasters, we achieved stabilization of the sedimentation tank even under sustained high temperatur...

• Drainage and ventilation equipment
• Turbid water and muddy water treatment machines
• Sewerage facilities

Delivery achievements across Japan! Recycling waste wood for effective resource utilization.

• Wood processing
• Woodworking machines, instruments, and tools
• Rock drills, demolition machines, and excavators

We are incurring disposal costs for topsoil treatment," "The distance between the raw stone mountain and the factory increases transportation costs," "We will resolve the clogging and delays at the pl...

• Foundation construction machinery

Medical standard! It has functionality realized through the fusion of medical science and robotics.

• Welfare and medical equipment
• Nursing care products
• Construction machinery leasing and rental