
Durable Custom Circular Manhole Covers for Enhanced Visibility. Customized Dimensions: Dimensions are tailored as per your specific demands. OEM/ODM Service: Full OEM and ODM customization services are available. Durable Cast Iron: Made of high-quality ductile iron with excellent load-bearing capacity. Anti-Corrosion Treatment: Surface treated with hot-dip galvanizing or epoxy coating for over 30 years life. International Standards: Complies with EN 124 and ASTM A536 international standards. Flexible Color Options: Colors available in grey, black, or customized as per your request. 1-Year Warranty: Comprehensive 1-year warranty covering non-human quality problems. Fast Delivery: Standard orders ship in 15-25 days; customized orders in 25-35 days.