Product Features:
1. Our manhole cover are produced in strict accordance with the EN124 standard, and the products will be pressure tested during the production process and before shipment, and corresponding inspection reports will be issued.
2. The raw materials of our composite manhole cover are strictly controlled. We use the best performance SMC sheet molding compound to produce through high temperature molding production process.
3. Product design can be customized according to customer requirements. Can choose to assemble non-through hole lifting holes, heterosexual manhole cover locks and rubber sealing rings on manhole cover.
4. We have a wealth of experience in exporting goods, and can professionally package manhole cover to ensure the safety of logistics and transportation.
5. The production capacity of our factory is sufficient, and the delivery date of the goods can be guaranteed under normal circumstances.
6. If the product needs to be designed and develop a new project, we can provide customers with design services for free.
7. Our manhole cover supports the testing of third-party SGS/TUV/BV and other institutions, but the cost needs to be borne by the customer.
Our Artistic GRP/DI Manhole Covers combine durability, safety, and creative design, ideal for urban beautification and infrastructure enhancement. Made from Glass Fiber Reinforced Plastic (GRP) /Ductile Iron(DI) through high-pressure compression molding, these covers offer high strength, lightweight structure, and excellent corrosion resistance.
Each cover features a customized decorative pattern - from cultural symbols to scenic city landmarks - bringing vibrant visual appeal to sidewalks, parks, tourist areas, campuses, and smart city projects.
| Item |
Description |
| Product Name |
Cast Iron Manhole Cover / Ductile Iron Manhole Cover with Composite Options |
| Material |
Ductile Cast Iron (QT500-7) as primary / Optional composite (GRP/SMC) for lightweight applications |
| Manufacturing Process |
Sand Casting / CNC Machining / Surface Coating or Bitumen Painting |
| Shape |
Round / Square / Rectangular / Custom shapes available |
| Size Options |
Ø600mm / Ø700mm / 600x600mm / 900x900mm / Custom sizes |
| Load Rating |
A15 / B125 / C250 / D400 / E600 / F900 (EN124 Standard, Class A-F) |
| Surface Finish |
Anti-rust coating / Bitumen paint / Galvanized / Natural finish |
| Surface Features |
Anti-slip pattern / City emblem / Logo / Custom text |
| Color Options |
Black / Grey / Custom (for composite covers) |
| Optional Composite Cover |
GRP / SMC for lightweight, non-rust, anti-theft alternatives |
| Key Features |
Extremely strong load capacity / Long lifespan / Corrosion-resistant / Low maintenance |
| Applications |
Municipal roads / Highways / Industrial zones / Residential areas / Airports |
| Customization Service |
OEM & ODM supported / Logo engraving / Pattern customization |
| Service Life |
≥50 years (cast iron) / ≥30 years (composite) |
| Lead Time |
10-20 working days (depending on order size) |
| Minimum Order Quantity (MOQ) |
100 pieces / Trial orders accepted |
| Certifications |
EN124 / ISO9001 / SGS / BV (as required) |
| Export Markets |
Middle East / Africa / South America / Eastern Europe / Southeast Asia |
Audited Supplier 
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