CUSTOM MANHOLE COVER CASTING SERVICES (OEM/ODM)

1. Service Introduction

Manhole covers are essential technical infrastructure components that protect underground systems, prevent odors, ensure traffic safety, and enhance the overall aesthetics of urban areas and industrial zones.

With over 11 years of experience in OEM/ODM cast iron manufacturing, Thai Nguyen Iron and Steel designs and casts custom manhole covers according to specific dimensions and technical drawings. We strictly adhere to international quality standards to serve FDI projects and construction contractors nationwide.

2. Benefits of Choosing Custom Manhole Cover Casting

• Absolute Accuracy & Tight Fit: Frames and covers are precisely machined to fit actual manhole shaft dimensions, eliminating warping, wobbling, or rattling noises caused by passing vehicles.

• Diverse Styles & Structures: Options include square frame round cover, round frame round cover, recessed (infill tile/stone) cover, hinged anti-tipping cover, or integrated anti-theft lock systems.

• Project Brand Personalization: Custom embossed logos for developers, project names, or utility emblems (water, power, telecom) directly on the cover surface.

• Optimized Investment Costs: Precise ion of material grades and thickness matched to the actual load requirements of each road or area.

3. Production Materials & Design Classification

Material Classification

Popular Manhole Cover Types

• Square Frame Round Cover: Easy mortar backfilling and excellent corner load resistance.

• Round Frame Round Cover: Optimizes load-bearing surface area and saves installation space.

• Recessed (Infill) Manhole Cover: Deep recessed lid design allowing tile/stone paving to seamlessly match high-end sidewalks and urban plazas.

4. Quality Standards & Load Classes (BS EN 124:1994)

All products undergo strict testing in compliance with European standard load classes:

• A15 (1.5 tons): Pedestrian-only areas and bicycle paths.

• B125 (12.5 tons): Sidewalks, passenger car parking lots, and residential zones.

• C250 (25 tons): Curbsides and areas adjacent to road edges.

• D400 (40 tons): Main roadways, industrial zones, and heavy truck parking areas.

• E600 - F900: Seaports, railway lines, and airport runways.

5. Professional OEM/ODM Casting Process

1. Site Survey & Drawing Reception: Review CAD/PDF technical drawings or conduct field measurements at the construction site.

2. Consultation & Structural Design: Engineering team calculates structural integrity, recommends suitable materials, and optimizes load-bearing performance.

3. CNC Mold/Pattern Making: Fabricate high-precision wooden or metal molds.

4. Casting & Machining: Smelt cast iron to exact chemical compositions, perform blank casting, deburring, and surface cleaning via sandblasting.

5. Protective Coating: Apply black asphalt/bitumen coating, hot-dip galvanizing, or chemical-resistant epoxy paint.

6. Load Testing & Delivery: Perform actual load-compression tests and defect inspections prior to factory dispatch.

6. Key Strengths of Thai Nguyen Iron and Steel

• 100% Certified Quality: Fully compliant with ISO 9001:2015 and BS EN 124 certifications for every shipment.

• Noise Reduction & Odor Control: Can be fitted with damping rubber gaskets and high-precision seals to effectively block odors.

• Factory-Direct Pricing: Direct foundry manufacturing without intermediaries, optimizing project budgets for contractors.

• Featured Projects: Trusted by major clients including Ecopark, Delta, Fecon, VietHa Buil, Vihajico, and more.

It is our pleasure to cooperate with you!