Your Professional Resin Manhole Covers Supplier
With over 30 years of nail manufacturing experience, Linyi Power Metal Products Co., Ltd specializes in producing Common Wire Nails, Concrete Steel Nails, Roofing Nails, IBR Nails, Shoe Tacks, and Ring Shank Nails for global markets. From raw material wire selection to final packaging, every step is strictly controlled to ensure consistent quality and on-time delivery.
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![FRP Manhole Covers]()
FRP Manhole CoversComposite resin manhole covers, also known as FRP (Fiber Reinforced Plastic) manhole covers, are modern alternatives to traditional cast iron covers. Made from high-strength composite materials, they offer excellent load performance...view more
Why choose us
Decades of Manufacturing Experience
We are able to precisely control raw material selection, nail body dimensional accuracy, surface treatment processes, and packaging standards.
Custom Packaging & Private Label
Support personalized packaging, including printed cartons, color boxes, woven bags, and logo branding to strengthen your market identity.
Our Main Markets
POWER supplies high-quality nails to distributors, wholesalers, hardware importers, and construction suppliers around the world. Our main export markets include Africa, the Middle East, Southeast Asia, South America, and Eastern Europe.
FRP Manhole Covers
Composite resin manhole covers, also known as FRP (Fiber Reinforced Plastic) manhole covers, are modern alternatives to traditional cast iron covers. Made from high-strength composite materials, they offer excellent load performance while being lightweight, corrosion-resistant, and non-metallic.
Material: Composite Resin / Fiber Reinforced Plastic (FRP)
Load Class: A15 (1.5 Ton) / B125 (12.5 Ton) / C250 (25 Ton) / D400 (40 Ton) / (Custom load rating available)
Shape: Round / Square / Rectangular
Cover Size (Diameter): 300mm / 400mm / 500mm / 600mm (customizable)
Frame Type: With Frame / Without Frame
Surface: Anti-slip pattern surface
Color: Black / Green / Grey / Customized Color
Application: Road, sidewalk, drainage, telecom, water system
Packaging: Pallet packing / Bulk packing
OEM: Logo embossing and customized specification supported
| FRAME SIZE(MM) | COVER SIZE(MM) | CLEAN OPENING(MM) | BEAR WEIGHT | CLASS |
| 300*300 | 250*250 | 200*200 | 2T | A15 |
| 300*300 | 250*250 | 200*200 | 5T | A15 |
| 400*400 | 300*300 | 250*250 | 2T | A15 |
| 400*400 | 350*350 | 250*250 | 5T | A15 |
| 450*450 | 350*350 | 350*350 | 5T | A15 |
| 500*500 | 400*400 | 350*350 | 2T | A15 |
| 500*500 | 400*400 | 350*350 | 5T | A15 |
| 550*550 | 450*450 | 400*400 | 5T | A15 |
| 600*600 | 500*500 | 450*450 | 5T | A15 |
| 600*600 | 500*500 | 450*450 | 10T | A15 |
| 700*700 | 600*600 | 550*550 | 5T | A15 |
| 700*700 | 600*600 | 550*500 | 20T | A15 |
| 800*800 | 700*700 | 650*650 | 5T | A15 |
| 900*900 | 800*800 | 750*750 | 5T | A15 |
| 1100*1100 | 1000*1000 | 950*950 | 2T | A15 |
Strenghts
High Strength & Durability:
Engineered to withstand heavy traffic (up to D400 class) without cracking or deformation.
01
100% Anti-Theft:
Since composite material has no scrap value, it effectively eliminates the risk of theft.
02
Corrosion & Weather Resistance:
Unlike cast iron, FRP will not rust and is resistant to acid, alkali, and UV rays.
03
Lightweight & Cost-Saving:
40% Lighter than iron covers, significantly reducing transportation and installation costs.
04
Noise Reduction:
Rubber gaskets and precision molding ensure no "clatter" when vehicles pass over.
05
Feature
Lightweight:
Simplified handling and installation over conventional cast iron covers.
High Strength:
Great load-carrying strength, ideal for light to heavy traffic applications.
Corrosion Resistant:
Resists severe weather, chemicals, and sewer gases without corroding.
Non-Conductive:
Can be used safely in electrical and telecom facilities.
UV Resistant:
Resistant to degradation by extended exposure to sunshine.
Anti-Theft:
Unattractive to metal thieves as it has no scrap value.
Waterproof & Leakproof:
Against contamination and water entry.
Customizable:
Can be produced in a number of different colors, forms, sizes, and with logo or markings.
High Strength and Load Capacity
Durability
These manhole covers are meticulously engineered to withstand heavy loads and resist impact, making them suitable for a wide range of traffic environments, including roadways used by heavy vehicles.
Performance
Even under high pressure and intense stress, these manhole covers maintain their structural integrity, ensuring a long service life and reducing the need for frequent replacements.
Material Properties
The SMC material used is highly resistant to corrosion, rust, and chemical attack. This makes the covers ideal for environments exposed to harsh weather conditions, chemicals, and salts.
Maintenance
The excellent corrosion resistance helps minimize maintenance requirements and extends the service life of the covers.
Quality Control
Standard Testing:
Each batch undergoes load-bearing tests according to EN124 requirements.
Certification:
ISO9001, CE, and SGS certified factory.
Customization:
We support Logo Casting and specific color matching for your projects.
Packaging & Shipping
All composite manhole covers are securely packed with wooden pallets and plastic film to ensure safe transportation. Each cover and frame set is carefully wrapped to prevent scratches or damage during shipment. We use standard export packaging suitable for sea, land, and air transportation. Before delivery, all products are inspected and labeled for easy identification and unloading.Our logistics team ensures timely shipment and provides tracking information for every order.
Certifications
FAQ
As one of the leading resin manhole covers manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy cheap resin manhole covers made in China here from our factory. For price consultation, contact us.
Fiber Manhole Cover, FRP Resin Manhole Cover, Anti Theft FBR Manhole Cover
