Heavy-Duty Ductile Iron Manhole Cover for Efficient Rainwater Drainage

Heavy-Duty Ductile Iron Manhole Cover for Efficient Rainwater Drainage. Customized Design Options: Shapes, dimensions, colors, and logos can be tailored to specific customer requirements. Durable Ductile Iron Material: Constructed from high-quality ductile iron (Grade 500-7) for excellent impact resistance. Wide Load Class Range: Available in load classes A15 to F900 suitable for various traffic conditions. Long Service Life: Anti-corrosion treatments ensure a service life exceeding 30 years. International Standard Compliance: Products comply with EN 124 and ASTM A536 international standards. Comprehensive Warranty: 1-year warranty covering non-human quality problems with replacement or compensation. OEM/ODM Service Available: Full customization support including design, samples, and flexible customization options. Fast Production Lead Time: 15-25 working days for standard orders and 25-35 days for customized orders.