D400 Outside Square Inside Round

D400 700x800mm Ductile Iron Manhole Cover

700~1500USD

D400 700×800 mm Rectangular Ductile Iron Manhole Cover with Frame Built to withstand heavy vehicular traffic, our 700×800 mm D400 ductile iron manhole cover offers exceptional strength, safety, and reliability. Manufactured from premium QT500-7...

D400 T-pattern Round Manhole Cover

700~1500USD

D400 T-Pattern Round Manhole Cover Overview This heavy-duty D400-rated round manhole cover features a classic "T" anti-slip pattern for superior grip and performance. Engineered for high-traffic areas such as city roads, highways, freight yards, and...

D400 Custom Pattern Round Manhole Cover

700~1500USD

D400 Custom Pattern Round Manhole Cover Overview Designed for both performance and identity, this D400-rated round manhole cover features a fully customizable surface — perfect for incorporating logos, city emblems, QR codes, or unique patterns. It...

D400 Round Ductile Manhole Cover φ680

700~1500USD

  Round D400 Ductile Iron Manhole Cover Product Overview This Round D400 manhole cover is crafted from high-quality ductile iron, engineered to meet heavy-duty traffic demands. Ideal for urban roads, highways, industrial areas, and loading zones, it...

Custom Round 1000x1150mm D400 Ductile Iron Manhole Cover

700~1500USD

Custom Round 1000x1150mm D400 Ductile Iron Manhole Cover Product Overview Our Custom Round D400 Manhole Cover is made from durable ductile iron, designed to meet the needs of high-traffic and heavy-load areas. With fully customizable patterns,...

D400 Custom Round Ductile Iron Manhole Cover

700~1500USD

Our D400 custom round ductile iron manhole cover offers a perfect combination of strength, safety, and design flexibility. Engineered for demanding road and infrastructure applications, it meets EN124 standards and supports heavy traffic loads up to...

D400 Φ700 round manhole cover

700~1500USD

D400 Φ700 Ductile Iron Round Manhole Cover Heavy-Duty Round Access Cover for Urban & Industrial Use Our D400 Φ700 Ductile Iron Round Manhole Cover is designed for demanding environments where strength, safety, and longevity are essential. With a...

D400 Φ800 round sewage manhole cover

700~1500USD

D400 Φ800 mm Ductile Iron Sewage Manhole Cover with Frame This D400-class Φ800 mm ductile iron sewage manhole cover is designed for high-traffic areas such as urban roads, commercial zones, and heavy-duty utility corridors. Manufactured using...

D400 1200X1350mm round manhole cover

700~1500USD

D400 1200×1350 mm Heavy-Duty Ductile Iron Round Manhole Cover Designed for heavy load conditions, this D400-rated round ductile iron manhole cover with a 1200×1350 mm frame size offers optimal strength, safety, and durability. It is ideal for...

D400 Custom Cast Iron Manhole Cover

700~1500USD

D400 Custom Ductile Iron Manhole Cover – Heavy-Duty with Personalized Design This D400 custom-pattern ductile iron manhole cover is a perfect fusion of structural integrity and visual distinction, engineered for heavy-traffic urban roads, while...

C250 Ductile Iron Manhole Cover

700~1500USD

C250 Ductile Iron Manhole Cover – Designed for Low-Voltage & Telecom Access This C250-class ductile iron manhole cover is purpose-built for weak-current infrastructure, including telecommunications, fiber optics, internet cabling, and...