manhole Product List and Ranking from 28 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

manhole Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. 丸栄コンクリート工業 Gifu//Building materials, supplies and fixtures manufacturers
  2. 東海ヒューム管 本社・工場 Gifu//Building materials, supplies and fixtures manufacturers
  3. 千葉窯業 Chiba//Building materials, supplies and fixtures manufacturers
  4. 4 東洋ヒューム管 Yamaguchi//Other construction industries
  5. 5 null/null
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manhole Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. Polygonal manhole "MC Hole" 丸栄コンクリート工業
  2. Resin concrete manhole "Resin Manhole" 東海ヒューム管 本社・工場
  3. Assembly Manhole Product Catalog 千葉窯業
  4. 4 Assembly Manhole "I-Hole (Rectangular Manhole)" 東洋ヒューム管
  5. 5 Miniature manholes made by professionals in manhole manufacturing.

manhole Product List

31～34 item / All 34 items

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Resin concrete manhole "Resin Manhole"

Resin concrete manhole "Resin Manhole"

This is a manhole with excellent chemical resistance and salt resistance, and high freeze-thaw resistance.

The "Resin Manhole" is a prefabricated manhole made by integrally molding resin concrete with reinforcing materials such as rebar. It has high corrosion resistance against sulfuric acid corrosion environments caused by hydrogen sulfide. Since resin concrete is a high-strength and ultra-rapid hardening material, it allows for thinner and lighter products, significantly reducing CO2 emissions during manufacturing, transportation, and installation compared to reinforced concrete products, thus contributing to the prevention of global warming. 【Features】 ■ Excellent chemical resistance ■ Excellent salt resistance ■ High freeze-thaw resistance ■ High wear resistance ■ High strength and good workability *For more details, please download the PDF or feel free to contact us.

  • Manhole body
  • Inspection hatches, manhole covers, and ditch covers

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Rectangular Manhole 'NK Box Manhole'

Rectangular Manhole 'NK Box Manhole'

Ensure sufficient strength and durability! Capable of adapting to various conditions, it is possible to construct manholes suitable for the site!

The product is a box-shaped assembly manhole developed to improve workability. Since it only requires sequential assembly of precast components, it does not need skilled workers for complex rebar or formwork tasks. Because the top slab and bottom slab are integrated with the side walls, it has high rigidity against openings, and by using bolt connections, it ensures high integrity and water-tightness. 【Features】 ■ Easy to install ■ High integrity ■ Excellent site adaptability ■ Compatible with circular and rectangular openings ■ Stable quality

  • Manhole body

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Ground manhole (sewer iron cover)

Ground manhole (sewer iron cover)

This is a reliable manhole cover essential for road maintenance.

This is a cast iron cover used as an inspection hatch for underground sewage facilities and communication conduits. We offer highly reliable products, including pressure relief types that prevent the cover from dislodging due to abnormal water pressure from inside the manhole, and automatic locking mechanisms that prevent anyone other than the administrator from removing the cover. Additionally, to ensure the security of cables and optical fibers buried underground, we also provide information box cast iron covers equipped with locking mechanisms that make it difficult for anyone other than the administrator to open and close them. 【Product Lineup】 ■ Cast iron covers for sewage systems ■ Protective covers ■ Cast iron covers for information boxes *For more details, please download the PDF or contact us.

  • Inspection hatches, manhole covers, and ditch covers
  • Manhole body
  • Sewerage facilities

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Manhole with rubber cover

Manhole with rubber cover

Ease of opening and safety! Can be used safely in sports facilities such as schoolyards and grounds.

We would like to introduce the "Manhole with Rubber Cover" handled by Sanglory Industries Co., Ltd. This product is a manhole specifically designed for watering schoolyards and grounds, which prevents injuries and is lightweight and easy to open. The special rubber cover, 20mm thick, contains a deterioration inhibitor that prevents hardening due to UV rays and features a non-slip raised surface. Additionally, it is designed to blend in with the ground, so it does not detract from the landscape. 【Features】 ■ Easy to open and lightweight ■ Adopted by public schools nationwide ■ Available in green and red cover colors ■ Customizable type with artificial turf *For more details, please refer to the PDF document or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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