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lid(500) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Jul 23, 2025～Aug 19, 2025
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lid Product List

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Iron cover for utility duct.

Iron cover for utility duct.

We can accommodate the sizes of C.C. BOX manhole covers and joint trench manhole covers throughout Japan.

Nijigi has been involved in the design and manufacturing of iron covers for underground utility lines since the early days of undergrounding electric cables. Nijigi's iron covers are designed to ensure safe and smooth road traffic and to enhance the landscape of roads, in line with the purpose of installing C.C. Boxes, while being as compact and low-cost as possible, maximizing functionality.

  • Municipal services and business location
  • others
  • Other metal materials

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Test socket lid / Cover / Manual lid

Test socket lid / Cover / Manual lid

Satisfying customer needs with a lid that can control heat in various structures.

Our socket lids are available in various types to accommodate all packaging needs, designed with functionality and ease of use in mind to ensure stable contact. Additionally, to meet the heat dissipation requirements of high-power chips, we also offer air-cooled and water-cooled lids, capable of handling up to 1,500W.

  • Testing Equipment and Devices
  • Semiconductor inspection/test equipment

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Cosmetic iron cover for interlocking blocks with a secure lock.

Cosmetic iron cover for interlocking blocks with a secure lock.

It is a manhole cover with excellent security that can prevent theft and vandalism in places like parks and station squares.

Lockable decorative manhole covers are iron covers that excel in security and safety among decorative manhole covers. Here, we will introduce their usage scenarios and benefits. First, lockable decorative manhole covers are ideal for use in public places or facilities where a large number of people may have access. For example, they may be used in parks or squares in front of stations to prevent theft or vandalism. By introducing lockable decorative manhole covers, it is possible to prevent unauthorized opening and closing, which enhances safety and security. Furthermore, these covers can be locked and unlocked using a dedicated key handle, reducing the burden on managers. Decorative manhole covers that employ a roller slide opening and closing mechanism are easy to open and close and are also excellent in terms of maintenance. "Lock Installation" Procedure [Video] https://youtu.be/UXi6T4rp2n8

  • others

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Grease trap lid

Grease trap lid

Choose whether to have a handle and select the material! Introducing a lid for grease traps that considers hygiene management!

The "grease trap cover" is a product designed to prevent the entry of garbage, odors, and pests through the handle. There are types without handles and those made of different (cheaper) materials, and the aluminum version is lightweight, making it easy to handle during work. Additionally, it contributes to the improvement of hygiene management in HACCP. 【Features】 ■ For grease traps ■ Consideration for preventing garbage entry, odors, and pests ■ Contributes to improved hygiene management ■ Options for handle presence and material changes ■ Made to order *For more details, please refer to the PDF document or feel free to contact us.

  • Wastewater/wastewater treatment equipment

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Concrete product: Tame Mas cover (drainage pit cover)

Concrete product: Tame Mas cover (drainage pit cover)

Concrete products - Tame Mas cover (drainage basin cover)

This is a concrete cover for a catch basin (drainage basin) that corresponds to the main body of the catch basin. It has notches on both sides for easy removal. Since there are no holes, it can prevent odor leakage. The available sizes are as follows: - For 150 (5 inches) - For 180 (6 inches) - For 240 (8 inches) - For 300 (1 foot) - For 360 (1 foot 2 inches) - For 450 (1 foot 5 inches) - For 600 (2 feet) We also accept orders for custom products (sizes, processing, etc.), so please feel free to consult with us.

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Concrete product well cover

Concrete product well cover

Concrete product well cover

This is a concrete lid for the well side that corresponds to the main body of the well side. The available sizes are as follows: - For well side 600 - For well side 750 - For well side 900 - For well side 1200 We also accept production of other custom items (sizes, processing, etc.), so please feel free to consult with us.

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Manhole Fall Prevention Temporary Cover - GENTI HOLE GUARD

Manhole Fall Prevention Temporary Cover - GENTI HOLE GUARD

Manhole fall prevention and falling object prevention temporary cover

GENTI HOLE GUARD is a temporary cover designed to prevent falls into manholes and to prevent falling objects. Frequently opening and closing heavy manhole covers is labor-intensive work. However, leaving them open is extremely dangerous. It can lead to serious accidents due to third parties falling in or objects dropping. By using HOLE GUARD in such situations, serious accidents can be prevented.

  • Other safety and hygiene products

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Lightweight rubber trench cover as an alternative to grating [Case study collection giveaway!]

Lightweight rubber trench cover as an alternative to grating [Case study collection giveaway!]

Made of rubber, non-slip, and safe! Weighs only 1/4 of a concrete drain cover. *Case study collection available!

"Perfect Cover," "Spogre," and "Perfect Square Cover" are high-quality rubber-made drainage covers that excel in weather resistance, colorfastness, and abrasion resistance. They are elastic and have a non-slip finish, which helps prevent accidents caused by slipping on grates. Additionally, they are lighter compared to conventional concrete drainage covers, making it easy to move and remove them for simple cleaning of the drains. 【Examples of Use】 Drainage channels and U-shaped covers in factory cafeterias, playgrounds, schoolyards, around baseball fields, tennis courts, sports fields, golf courses, and poolside. 【Features】 ■ Basic Colors: Green, Anthracite ■ Sizes: Three types of drainage covers (180, 240, 300) and three types of square covers (300, 450, 600) *You can view the case study collection by clicking on the "PDF Download" link below. *For more details, please refer to the PDF materials or feel free to contact us.

  • Rubber

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Waterproof Manhole Cover "KSF Series"

Waterproof Manhole Cover "KSF Series"

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.

The "KSF Series" is a waterproof manhole cover that can withstand external water pressure of up to 0.15 MPa, preventing water from entering the protector and protecting devices such as level gauges. By using it in combination with an oil submersible pump, it provides comprehensive flood prevention measures. Please utilize it as a flood prevention measure against heavy rainfall and tsunamis. 【Features】 ■ Waterproof type ■ Does not allow flooding even under external water pressure of 0.15 MPa ■ Provides comprehensive flood prevention measures when used in combination with an oil submersible pump *For more details, please refer to the PDF materials or feel free to contact us.

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Rubber Masu Lid "Perfect Masu Lid"

Rubber Masu Lid "Perfect Masu Lid"

It is very safe due to its elasticity and anti-slip processing! A lid made of high-quality rubber.

The "Perfect Manhole Cover" can be used as a drainage manhole cover for various sports fields, factories, cafeterias, etc. The underside of the cover has grooves cut into it to improve drainage from the sides, and when used in combination with a filter rim, even greater effectiveness can be achieved. It is elastic and has a non-slip finish, making it very safe. The colors available are green and anthracite. 【Features】 ■ Provides stability during installation ■ Resistant to damage from rollers, spikes, etc. ■ Made from high-quality rubber ■ Excellent weather resistance, colorfastness, and abrasion resistance ■ Available in three sizes: - AMF-300 (for manhole covers with internal dimensions of 300×300mm) - AMF-450 (for manhole covers with internal dimensions of 450×450mm) - AMF-600 (for manhole covers with internal dimensions of 600×600mm) *For more details, please refer to the PDF document or feel free to contact us.

  • Other safety and hygiene products

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Concrete product U-shaped drainage cover

Concrete product U-shaped drainage cover

Concrete products U-shaped drainage cover

This is a concrete cover for U-shaped gutters that corresponds to the main body of the U-shaped gutter. The available sizes are as follows: - For U-shaped gutter 60 - For U-shaped gutter 90 - For U-shaped gutter 120 - For U-shaped gutter 150 - For U-shaped gutter 180 - For U-shaped gutter 240 - For U-shaped gutter 300 - For U-shaped gutter 360 - Type 2 cover for U-shaped gutter 180 (for road use) - Type 2 cover for U-shaped gutter 240 (for road use) - Type 2 cover for U-shaped gutter 300 (for road use) We also accept production of other custom items (sizes, processing, etc.), so please feel free to consult with us.

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Delivery example: 15-inch LCD screen back cover for computers

Delivery example: 15-inch LCD screen back cover for computers

The material feeding device for aluminum parts meets the strict appearance standards for aluminum components used in liquid crystal displays.

By processing with a material feeding device for aluminum parts, we meet the stringent appearance standards specific to aluminum components for liquid crystal displays. 【Process】 Progressive press (250tW) single operation (bending) → Cleaning → Inspection and packaging → Shipping. For more details, please contact us or refer to the catalog.

  • Processing Contract
  • Other metal materials

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Covering "Everplate UB (FRP Foam Composite Board)"

Covering "Everplate UB (FRP Foam Composite Board)"

Ideal for indoor and outdoor flooring and coverings! Checker plates that can be easily processed on-site.

The "Ever Plate UB (FRP Foam Composite Board)" is a checker plate with a high rigidity sandwich structure, using FRP sheets for the surface material and resin foam for the core material. This product is lightweight, corrosion-resistant, and has insulating properties, making it suitable for both indoor and outdoor flooring and coverings. Additionally, it has high workability, allowing for easy cutting and hole processing on-site, and it is also possible to install handles, inspection openings, locks, and gaskets. 【Features】 ■ Corrosion-resistant ■ Insulating properties ■ Easy processing on-site ■ Installation of handles and other fittings is possible For more details, please refer to the catalog or feel free to contact us.

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Tree friend for gravel filling that can be filled with decorative gravel.

Tree friend for gravel filling that can be filled with decorative gravel.

This is a planting box that protects the roots of trees on the tile terrace.

This is a tree protection cover that can be filled directly with decorative gravel. There are two sizes available, 600 and 900, to match tile sizes. The cover has drainage holes, making it suitable for use with planters and other installations.

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