$1,000.00 - $1,500.00
Min. Order : 1 Ton

Ductile Cast Iron Manhole Covers Concrete Polymer

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Quick Details

Port: Xingang
Payment Terms: L/C,T/T,Western Union,Cash against Documents
Supply Ability: 1000 Ton/Tons per Month stable manufacturing capability
Brand Name: SYI
Place of Origin: Shanxi China
Inspection: Professional Lab
Product: Ductile Cast Iron Manhole Covers Concrete Polymer
Dimensions: Various Clear Opening Diameter
Loading Test: As per EN124
Loading Capacity: D400
Material: Iron
Dimension: Dia 600mm clear openning
Model Number: Manhole Cove-various shape and specs
Application: Municipal & Urban
Surface: Bitumen/Epoxy Painting
Delivery Detail: 15-20 Days, depends on the demand quantity
Packaging Detail: Standard export package or as per your requirement
Syi Industrial Co., Ltd.
Manufacturer, Trading Company
Response Rate
On-time delivery rate
US$ 30,000+
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Welcome to SYI Group


Ductile Cast Iron Manhole Covers Concrete Polymer

 About Our Ductile Cast Iron Manhole Covers Concrete Polymer:

  • Ductile Iron    
  • Hinge Type (available)
  • Single seal / Double seal (available)     
  • Lock(available)
  • Closed key hole (available)     
  • Recessed type (available)          
  • Two lifting Key holes (available)
  • Double triangular (available)
  • Cut-corner Design (available)


 About SYI Group Information :

  • About SYI Foundry

SYI Foundry has been involving in casting business for more than 20 years. Based on good quality, competitive price, on-time delivery, we've got great reputation all over the world. Not only do we have advanced equipments, but also own a very strong engineering team. Some of our engineers have been working in casting fields for over 30 years.

All castings shall be smooth and free from sand holes, blow holes, distortion or any other defects.

With annual production capacity of 35,000 tons, our major equipments include 2 sets of automatic moulding lines, 4 sets of 5-ton cupola, 2 sets of load test machines, 1 epoxy coating machine, 3 sets of core-shooting machines, 3 sets of shot blasting machines, 2 sets of water pressure machines, 2 machining workshops and all necessary chemical and physical test facilities.

GUARANTEE: SYI Foundry will replace any Heavy Duty covers/gratings, that has been properly installed and broken in normal use, free of charge after receipt of the broken casting. 

SYI Factory-Manhole Cover

Ductile Cast Iron Manhole Covers Concrete Polymer

 Design & Production Facility & Quality Control :

  • Design


Ductile Cast Iron Manhole Covers Concrete Polymer

  • Production Facility

Besides traditional hand moulding, we also use Automatic Moulding Lines to manufacture manhole covers for better surface condition and dimension accuracy.



Ductile Cast Iron Manhole Covers Concrete Polymer

  • Quality Control

Quality Control Department  ↓ ↓ ↓


Raw Material Inspection

  • Raw Material inspection including chemical
  • components analysis, tensile strength test and etc. 

Quality Control Groups

  • Dimensions Test
  • Manufacture process Inspection
  • Process Inspection including sand cleaning, assembling, packing and coating
  • Final Inspection including delivery marks and etc.
  • Particular Tests for different products, such as Load Test, Hydro Test and etc. 


  • Chemical Components
  • Microstructure Test
  • Tensile Strength


Ductile Cast Iron Manhole Covers Concrete Polymer

  • Permanent Set and Load Test  


Ductile Cast Iron Manhole Covers Concrete Polymer

An independent Quality Control is supervised directly by General Manager and responsible for following duties:


*  Physical and chemical analysis, dimension measurement, weighting and other inspection of the raw material and finished products.

*  Particular test for different products.

*  Visual measurement and conformation to standards.

*  Identifying, recording and disposing of rejected material.

 We Are Certified !


Ductile Cast Iron Manhole Covers Concrete Polymer

More certification ... (Contact us!)

 Contact SYI Group :

SYI Industrial Co., Ltd.

1. Email: zhangjian#syifoundry.com (# = @) 

2. Tel: 0086 351 2027764

3. Fax: 0086 351 4040962

4.Website: www.syigroup.com





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Best regards

SYI Group