Iron cover - Company Ranking(11 companyies in total)

Last Updated：Sep 10, 2025 Aggregation Period:Aug 13, 2025〜Sep 09, 2025
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Company Name	Company information	Featured Products
Company Name	Company information	Product Image, Product Name, Price Range	overview	Application/Performance example
虹技小型鋳物事業部	Address Hyogo/ number of employees 763 Business Activities ▼ Foundry and Roll-related Business ・Small Foundry Division <Public Civil Engineering Castings> Ground manholes, grates, iron covers for utility ducts, etc. <Industrial Castings> Parts related to water supply and sewage, railway-related parts, industrial machinery parts ・Roll Division Various rolling rolls, castings for steelmaking, etc. ・Large Foundry Division Molds for steel billets, castings for automotive press molds, castings for large industrial machinery, etc. ・Dense Bar Division Continuous casting cast iron bars Material = ordinary cast iron, ductile cast iron, nickel-resistant cast iron, special alloy cast iron ▼ Machinery and Environmental-related Business ・Machinery Division Blowers, transvector, vortex coolers, etc. ・Functional Materials Division KC metal fibers (metal short fibers), KC carbon ceramics (high-temperature resistant materials) ・Environmental Equipment Division Stoker-type waste incinerators, recycling equipment, various deodorizing devices, HAS (superheated steam application drying and carbonization equipment), etc. Key Partners	Low-cost iron cover for utility duct, unit-type cast iron cover "SUM Cover" Other	Nijigi has been involved in the design and manufacturing of iron covers for underground utility lines since the early stages of the undergrounding of electric wires, starting with the initial CAB covers. Nijigi's iron covers are designed to be as compact and low-cost as possible while maximizing functionality, in line with the objectives of ensuring safe and smooth road traffic and enhancing the landscape of roads through the installation of C.C. Boxes due to the undergrounding of utility lines. - Unit-type cast iron cover "SUM Cover" NETIS: KT-090020-A Tokyo Metropolitan Government Construction Bureau New Technology: 0901016	The Ministry of Land, Infrastructure, Transport and Tourism, Tokyo Metropolitan Government, and local governments have numerous delivery achievements.
		Cast iron sewer manhole cover, design manhole cover. Other	Performance required for manhole covers: - Workability - Durability - Roadway: slip resistance, sidewalk: design quality - Resistance to rattling - Load-bearing strength - Pressure release capability - Fall prevention - Maintainability In various cities, many design manhole covers that express the symbolic motifs of each town have been adopted. As sewer facilities enter an era of maintenance management, Rainbow Technology Co., Ltd. aims to achieve "long-term safety performance certainty" that brings the probability of accidents caused by manhole covers as close to zero as possible, protecting citizens from nearby risks, and to realize "long-term economic viability" that encompasses the entire product lifecycle.	We are producing design manhole covers for various municipalities.
		Iron cover for utility duct: Iron cover for pedestrian and vehicle boundary. Other	Iron cover for utility duct: Iron cover for pedestrian and vehicle boundary Product name: EV600×1200×H250 By allowing the iron cover frame to slip under the L-shaped gutter, it is possible to reduce the relocation of existing buried pipes.	There are hiring results in the Kanto and Kansai regions. *For more details, please contact us.
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虹技小型鋳物事業部

Address

Hyogo/

number of employees

763

Business Activities

▼ Foundry and Roll-related Business ・Small Foundry Division <Public Civil Engineering Castings> Ground manholes, grates, iron covers for utility ducts, etc. <Industrial Castings> Parts related to water supply and sewage, railway-related parts, industrial machinery parts ・Roll Division Various rolling rolls, castings for steelmaking, etc. ・Large Foundry Division Molds for steel billets, castings for automotive press molds, castings for large industrial machinery, etc. ・Dense Bar Division Continuous casting cast iron bars Material = ordinary cast iron, ductile cast iron, nickel-resistant cast iron, special alloy cast iron ▼ Machinery and Environmental-related Business ・Machinery Division Blowers, transvector, vortex coolers, etc. ・Functional Materials Division KC metal fibers (metal short fibers), KC carbon ceramics (high-temperature resistant materials) ・Environmental Equipment Division Stoker-type waste incinerators, recycling equipment, various deodorizing devices, HAS (superheated steam application drying and carbonization equipment), etc.

Key Partners

Featured Products

Low-cost iron cover for utility duct, unit-type cast iron cover "SUM Cover"

overview

Nijigi has been involved in the design and manufacturing of iron covers for underground utility lines since the early stages of the undergrounding of electric wires, starting with the initial CAB covers. Nijigi's iron covers are designed to be as compact and low-cost as possible while maximizing functionality, in line with the objectives of ensuring safe and smooth road traffic and enhancing the landscape of roads through the installation of C.C. Boxes due to the undergrounding of utility lines. - Unit-type cast iron cover "SUM Cover" NETIS: KT-090020-A Tokyo Metropolitan Government Construction Bureau New Technology: 0901016

Application/Performance example

The Ministry of Land, Infrastructure, Transport and Tourism, Tokyo Metropolitan Government, and local governments have numerous delivery achievements.

Cast iron sewer manhole cover, design manhole cover.

overview

Performance required for manhole covers: - Workability - Durability - Roadway: slip resistance, sidewalk: design quality - Resistance to rattling - Load-bearing strength - Pressure release capability - Fall prevention - Maintainability In various cities, many design manhole covers that express the symbolic motifs of each town have been adopted. As sewer facilities enter an era of maintenance management, Rainbow Technology Co., Ltd. aims to achieve "long-term safety performance certainty" that brings the probability of accidents caused by manhole covers as close to zero as possible, protecting citizens from nearby risks, and to realize "long-term economic viability" that encompasses the entire product lifecycle.

Application/Performance example

We are producing design manhole covers for various municipalities.

Iron cover for utility duct: Iron cover for pedestrian and vehicle boundary.

overview

Iron cover for utility duct: Iron cover for pedestrian and vehicle boundary Product name: EV600×1200×H250 By allowing the iron cover frame to slip under the L-shaped gutter, it is possible to reduce the relocation of existing buried pipes.

Application/Performance example

There are hiring results in the Kanto and Kansai regions. *For more details, please contact us.
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Address

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Business Activities

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Iron cover - Company Ranking(11 companyies in total)

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