Accommodates various heights and road gradients! Lightweight and easy to assemble, it simplifies construction and enables quick recovery at the site while reducing labor.
A special manhole cover with a delivery record of over 20,000 units!
Introduction of striped copper plates and patterned copper plates! In addition to steel, we also offer a lineup of board products made from different materials such as striped FRP and aluminum striped plates (5-line).
We offer single and double sheets made of striped steel plate! A wide variety of sizes are also available.
Standard product of Drain Getter for ordinary and drainage pavement!
Introducing airport and electrical construction-related products such as hand holes, manholes, and cast iron covers!
This is a locked handhole cover with a rating of BPN40 or higher. It can be opened and closed using a dedicated key, preventing unauthorized access.
It is a large-diameter machine hatch with a fire resistance performance of 2 hours.
Products related to Polacon that help secure rainwater infiltration and storage, prevent clogging, and prevent ground subsidence.
[Cut sample available] A flexible layout that accommodates complex groove shapes. We have extensive experience in schools, including baseball fields, grounds, and pools!
Compliant with the Ministry of Health, Labour and Welfare (Guidelines for the Safe Use of Fall Arrest Equipment)! Compatible with new full harness standards! Manhole fall prevention!
We will introduce various types of manhole covers, including rotation lock types, large diameter types, and square types.
By changing just one bolt of the bolt-fixed manhole cover to a special bolt, it can be locked.
It can accommodate complex drainage shapes such as pools, allowing for a flexible layout! Custom and special orders are accepted.
Free layout that accommodates complex shapes such as grooves. Compatible with U-shaped channel grating for replacement and custom orders!
Since it is said to be in the mountains, this is a case of delivery using our 4-ton unic truck!
This is a manhole with excellent chemical resistance and salt resistance, and high freeze-thaw resistance.
This is a slit-type drainage ditch cover that is ideal for enhancing the landscape.
A clean design with no visible frame. Perfect for spaces where you want to focus on aesthetics. Wall-mounted options are also available.
Recommended for simple valve installation on soil surfaces! A product suitable for easy installation without compromising the landscape.
By simply installing it in the side ditch or U-shaped ditch, it prevents small animals from entering as well as debris like branches and plastic!
MJK type magnet inspection opening with a cross-wrapped finish that does not show the frame.
A wide variety of options are available to choose from based on the material of the target, the material of the main body, and the intended use!
Introducing cast iron square manhole covers that are quieter and more usable compared to steel plates!
No need for conversion fittings! The butyl rubber adhesive securely holds the ribs in place and ensures a watertight seal.
Uniform quality due to factory production! Installation and removal are easy with a screwdriver.
Various designs can be produced. Design manhole covers.
Safety measures products to prevent the familiar dangers lurking in open ditches and irrigation channels found on the streets!
Introducing points and NETIS registered products that prevent water accumulation on roads and rainwater runoff to private land due to high drainage functionality!
A manhole cover with a wide range of lineup on the top of the pressure tank.
Introducing tree circles for tree protection that create a comfortable urban space in harmony with buildings and nature.
Covering the drainage channel to prevent falls into the channel and allowing it to be used as a walkway.
Butyl rubber-based adhesive compresses the rib, ensuring a watertight seal! It is a dry construction method that does not require adhesive and uses mechanical fixation.
Renovation of the existing underground drainage ditch to a bolt-fixed type by simply replacing the cover.
L-shaped drains for plant facility floors and roads. We will solve your problems!
It does not flood even under an external water pressure of 0.15 MPa! This is a product for preventing flooding inside manholes due to heavy rain and tsunamis.
Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.
[Baseball Stadium] Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and cover them safely. Can be replaced with existing concrete covers as well.
A sheet to prevent the adhesion of concrete and asphalt during construction!
With a handle for easy handling! Introducing a case where loss was eliminated.
Round and irregular shapes are also available! Theft prevention options and noise reduction options are also provided.
A variety of wall designs are possible! When you push the wall at the door edge, a handle appears.
It is a drainage ditch cover that can be filled with paving material.
Four types are lined up: round type for sidewalks/roadways and square type large/small connecting covers!
With a new lineup that excels in safety and aesthetics, the variety of planning and design options has further increased!
A wide variety of products such as "wall inspection openings" and "leaf shelf posts" that can be easily installed without the need for groundwork are featured!
Standard product of Drain Getter for ordinary and drainage pavement!
This is a grating for depression prevention measures.
"Smooth Equipment Inspection" - This is an aluminum wall inspection opening that blends seamlessly with the wall thanks to its slim frame.
A super-thin side drain cover that excels in design without compromising appearance! It's safe to walk over with high heels or a wheelchair.
We have created various products that can be connected to PVC pipes.
It is a security-enhanced manhole cover that can prevent theft and vandalism in places like parks and station squares.
Introducing a case study of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.
We will rehabilitate existing manholes with reduced load-bearing capacity.
Noise prevention from rattling! It does not obstruct pedestrian passage and is also effective for theft prevention.
The product lineup of Nissho Shokai Co., Ltd. that quickly responds to various needs!
Can be used as an entrance and inspection opening for large machinery and equipment in the building's machine room and seismic isolation layer!
Shut out unpleasant cold air and drafts! An inspection opening suitable for use in hospitals and hotels.
The opening for the handle is easy to create with a drill hole! A floor inspection hatch with custom dimensions is also available.
Standard product of Drain Getter compatible with regular and drainage pavement!
Standard drainage pavement compatible! Drain getter for maintenance such as cleaning and upkeep.
A combined gutter with enhanced recycling efficiency! Ideal for areas with relatively high water flow!
Integrated gutter with enhanced recycling efficiency! Compatible with free slope!
The front part is removable, making inspection and cleaning easy!
Ideal for improving the performance of drainage pavement! Lightweight and compact, it shortens construction time and contributes to cost reduction.
Utilizing Akoya pearl oyster shells as filling material!
Ideal for floor wiring in centralized control rooms of factories, buildings, etc.! A functional finish without compromising aesthetics.
Guerrilla rainstorm countermeasures! 5 times the water collection capacity! High drainage water collection cover compatible with T-25 longitudinal drainage.
A new face has appeared in the series for connecting PVC pipes! It is installed at the entrance of the inflow pipe to prevent the inflow of debris and other materials. It can be used in rainwater storage facilities and more!
Frame-less that blends with the floor.
It is ideal for use in places where a large number of unspecified people may have access, such as various facilities.
It catches garbage such as dead branches, fallen leaves, and empty cans.
By simply placing it, reduce the waste that falls into the garbage-stopping drainage and aim to reduce marine debris!
This is an ideal floor inspection opening for detached houses and apartment buildings.
By installing a lock on the handle of the manhole cover, the manhole handle cannot be inserted, making it impossible to open and close the cover.
This is a catalog for cast iron "decorative manhole covers." They are manufactured in accordance with the standards of the Society of Air Conditioning and Sanitary Engineering (Shase-s).
This is a catalog for "cast iron grates." They are manufactured in accordance with the standards of the Society of Heating, Air-Conditioning and Sanitary Engineers (SHASE-S).
This is a catalog for "floor hatches." It is suitable as inspection covers for underground pits, meter and valve boxes, both indoors and outdoors.
A rich lineup that can accommodate a variety of applications, leveraging years of experience in foundry manufacturing!
The joint surface has a concave and convex interlocking shape! A hand hole that can be easily processed on-site.
Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.
Introducing a case study of the installation of "colored drainage covers" that protect the aesthetics of U-shaped ditches and ensure safety. They can also be replaced with existing concrete covers.
Here is an example finished with a thickness of 100mm at the front right and 120mm at the back left.
Manufactured to dimensions tailored to the site, such as replacement work for existing manhole covers!