Gold Member Since 2014
Audited Supplier
Hebei Mingda International Trading Co., Ltd.

Gully Grating, Cast Iron, Iron Casting manufacturer / supplier in China, offering Square Frame Ductile Iron Tree Grating, OEM Stainless Steel Precision Casting for Pump Part, OEM Custom Ductile Iron Sand Casting for Pump Part and so on.

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Supplier Homepage Product Iron Casting Manhole Covers and Frames Square Frame Ductile Iron Tree Grating

Square Frame Ductile Iron Tree Grating

FOB Price: US $1-2 / kg
Min. Order: 50 kg
Min. Order FOB Price
50 kg US $1-2/ kg
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Production Capacity: 5000 Piece/Pieces Per Month
Transport Package: Iron or Wooden Pallets
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Product Catalog
ductile iron manhole cover
39 Products
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Basic Info
  • Model NO.: iron casting
  • Casting Method: Directional Crystallization
  • Application: Hardware
  • Material: Iron
  • Surface Roughness: Ra12.5
  • Certification: ISO 9001:2008
  • Trademark: MINGDA
  • Origin: Hebei China
  • Type: Clay Dry Sand
  • Sand Core Type: Resin Sand Core
  • Machining: Boring Machine
  • Surface Treatment: Epoxy or Black Bituminous Painting
  • Standard: AISI
  • Size: 900X900mm
  • Specification: SGS
Product Description

Product description:

Material: ductile iron GGG50

Specification: 900 x 900 x 50mm

Surface: black bituminous paint, epoxy painting or as per client's requirements

Packaging: iron or wooden pallet with steel strip and plastic film

Advantages: non-slip and safe, easy installation, easy to clean, excellent anti-pressure and attractive


Standards: BS EN124, ASTM, DIN

Delivery lead time: 15-30 days

Service: OEM/ODM available

Inspection: professional lab

Applications: pedestrians, car parks, aircraft pavements

Others: owning experienced designing team

Production facility: traditional hand molding and automatic molding lines to manufacture manhole covers

for better surface condition and dimension accuracy



Ductile Iron manhole cover & grating


Ductile iron GGG50/7, gray iron






Round, Square, Rectangle, Triangle and other shape


From 300*300 to 1000*1000 or custom size


Bituminous black


Longevity corrosion resistance, Excellent anti-pressure


Depends on the design


Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-

product inspection


motor vehicle Road, municipal administration, living quarters communications, electricity

and water supply works




manhole cover & gratings and grates, furnace, bases, machinery parts, cookers, valve

bodies, pipe fittings, auto parts
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Mr. Yanhui Li
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