Wholesale Price High Quality Cast Ductile Iron Square Manhole Cover

Wholesale Price High Quality Cast Ductile Iron Square Manhole Cover. Customizable Coating: Options include black bitumen, epoxy painting, or custom requirements. Multiple Design Standards: Available in EN124 classes A15 to F900 and customer-specific drawings. High-Quality Materials: Manufactured from Ductile Iron GGG500-7/400-12 and Grey Iron GG20. Flexible Color Options: Colors available in black, grey, and other customized selections. Wide Application Range: Suitable for pedestrians, roads, docks, and aircraft pavements. ISO Certified Quality: Products meet ISO certification standards for safety and durability. Various Dimensions: Frames available in sizes like 290x290, 700x700, and 850x850 mm. Durable Construction: Smooth surface free from sand holes, blow holes, or distortion.