Model NO.: As your drawing
Surface Treatment: Sand Blast
Surface Roughness: Ra0.8
Standard: GB
Certification: CE, ISO 9001:2008
Item: Manhole Covers/ Manhole Cover
Raw Material: Ductile Iron, Cast Iron, Qt500
Size: Dn100-1000mm
Tchincs: Casting
Brand Name: Shengao,OEM
Factory: Over 15 Years′experience
Process: Sand Casting + Machining
Surface: Polishing, Anodising, Powder Coating
Welcome: Drawings of Manhole Cover
Export Markets: Global
Trademark: Shengao
Transport Package: Pallet, Iron Frame, Flywood Box.
Specification: SGS, ISO9001: 2008, EN124, ASTM, DIN, EN124
Origin: Weifang City, Shandong Province
HS Code: 7325109000
Model NO.: As your drawing
Surface Treatment: Sand Blast
Surface Roughness: Ra0.8
Standard: GB
Certification: CE, ISO 9001:2008
Item: Manhole Covers/ Manhole Cover
Raw Material: Ductile Iron, Cast Iron, Qt500
Size: Dn100-1000mm
Tchincs: Casting
Brand Name: Shengao,OEM
Factory: Over 15 Years′experience
Process: Sand Casting + Machining
Surface: Polishing, Anodising, Powder Coating
Welcome: Drawings of Manhole Cover
Export Markets: Global
Trademark: Shengao
Transport Package: Pallet, Iron Frame, Flywood Box.
Specification: SGS, ISO9001: 2008, EN124, ASTM, DIN, EN124
Origin: Weifang City, Shandong Province
HS Code: 7325109000
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole 
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole

Manhole Cover
Cast iron manhole cover
We can produce all kind of manhole cover with customers' drawing or sampe.
OEM ans ODM are welcomed.
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole

En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
Details of the product:
1.Material & Standard:grey iron,ductile iron,malleable iron,carbon steel,alloy steel(high Manganese steel,high Chromium steel and others),Stainless steel,Aluminum alloy,Copper alloy;
2.Moulding processing:Green sand,Resin sand,Waterglass sand,Lost wax/Silicon sol or Die casting.
3.Melting facilities:Cupola furnace,medium frequency induction electric furnace or electric arc furnace.
4.Casting Inspection facilities:Direct-reading spectrum instrument,metallographic analysis,magnetic particle inspection,ultrasonic inspection,X-ray inspection,mechanical properties inspection.
5.Heat treatment facilities:Aging oven,Electric furnace,Normalizing,Quenching and Tempering equipments.
6.Surface treatment:Shot blast cleaning,polishing,Chrome plating,Zinc plating,powder coating and others.
7.Machining facilities:CNC centres,NC lathes,NC milling machines,NC boring machines,drilling machines and other common machines.
8.Inspection facilities:CNC 3-D inspecton facilities and others.
9.Industrial categories:Tractor,Heavy-duty truck industry,Car industry,Farm machinery,Construction engineering machine industry,Electricity power industry,Elevator industry,Valve industry,General machine industry and others.
10. Part Unit weight range:
     For grey iron casting: up to 15000kgs;
     For ductile iron casting:up to 4000kgs;
     For high manganese steel casting:up to 5000kgs;
     For carbon steel & alloy steel casting:up to 10000kgs;
     For Aluminum/copper alloy die casting:from 8g up to 12kgs;
     For Investment/lost wax casting:up to 80kgs;
11.Representative product:machine bed,machine table,bearing stand,housing,casing,cover,valve body,pump body,big ring gear,big pulley,big sheave,bolster,frame,rear frame,front frame,engine block,mill-ball,hammer,jaw plate,bucket tooth,front idler,excavator sprocket,link rod,Bucket link rod,barre liner,grate plate,top grate,open grate,front wall and rack etc.
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
 
Item: Drain,Grating,Manhole Cover
Materail:Cast Gray Iron,Ductile Iron
Shape:Round,Square,Rectangle,and Triangle
Process:Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Size range 200mm to 1200mm,Weight range 7kgs-154kgs
Surface treatment:Spray coated,Epoxy,Painted,Enamel etc.
Certificate:ISO9001:2000,SGS
Class:A15,B125,C250,D400,E600,F900

Details of the product:
1.Material & Standard:grey iron,ductile iron,malleable iron,carbon steel,alloy steel(high Manganese steel,high Chromium steel and others),Stainless steel,Aluminum alloy,Copper alloy;
2.Moulding processing:Green sand,Resin sand,Waterglass sand,Lost wax/Silicon sol or Die casting.
3.Melting facilities:Cupola furnace,medium frequency induction electric furnace or electric arc furnace.
4.Casting Inspection facilities:Direct-reading spectrum instrument,metallographic analysis,magnetic particle inspection,ultrasonic inspection,X-ray inspection,mechanical properties inspection.
5.Heat treatment facilities:Aging oven,Electric furnace,Normalizing,Quenching and Tempering equipments.
6.Surface treatment:Shot blast cleaning,polishing,Chrome plating,Zinc plating,powder coating and others.
7.Machining facilities:CNC centres,NC lathes,NC milling machines,NC boring machines,drilling machines and other common machines.
8.Inspection facilities:CNC 3-D inspecton facilities and others.
9.Industrial categories:Tractor,Heavy-duty truck industry,Car industry,Farm machinery,Construction engineering machine industry,Electricity power industry,Elevator industry,Valve industry,General machine industry and others.
10. Part Unit weight range:
     For grey iron casting: up to 15000kgs;
     For ductile iron casting:up to 4000kgs;
     For high manganese steel casting:up to 5000kgs;
     For carbon steel & alloy steel casting:up to 10000kgs;
     For Aluminum/copper alloy die casting:from 8g up to 12kgs;
     For Investment/lost wax casting:up to 80kgs;
11.Representative product:machine bed,machine table,bearing stand,housing,casing,cover,valve body,pump body,big ring gear,big pulley,big sheave,bolster,frame,rear frame,front frame,engine block,mill-ball,hammer,jaw plate,bucket tooth,front idler,excavator sprocket,link rod,Bucket link rod,barre liner,grate plate,top grate,open grate,front wall and rack etc.
 
Item: Drain,Grating,Manhole Cover
Materail:Cast Gray Iron,Ductile Iron
Shape:Round,Square,Rectangle,and Triangle
Process:Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Size range 200mm to 1200mm,Weight range 7kgs-154kgs
Surface treatment:Spray coated,Epoxy,Painted,Enamel etc.
Certificate:ISO9001:2000,SGS
Class:A15,B125,C250,D400,E600,F900
 
 

  Item		 ductile watertight manhole cover
  Size   DN100-1000mm
  Surface treatment   black painted, oil, painting
  Shape   square, round
  Material   ductile iron, cast iron, QT500
  Heat Treatment can be as your requirement.
  Advantages   Delivery on time,  according to the demand for materials
  Packing   wooden case or as your requirement.
  Delivery   within 30 days after receiving last confirm information.


1. Q: Why choose Shengao product?
     A: We shengao have our own plant-- Weifang Shengao machinery Co.,Ltd, therefore, we can surely promise the quality of every product and provide you comparable price.
2. Q: Do you provide OEM Service?
     A: Yes, we provide OEM Service.
3.  Q: Do you provide customized forging products?
      A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
4. Q: What is your payment term?
     A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.

If there's anything I can help, please feel free to contact with me. En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole 
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole

Manhole Cover
Cast iron manhole cover
We can produce all kind of manhole cover with customers' drawing or sampe.
OEM ans ODM are welcomed.
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole

En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
Details of the product:
1.Material & Standard:grey iron,ductile iron,malleable iron,carbon steel,alloy steel(high Manganese steel,high Chromium steel and others),Stainless steel,Aluminum alloy,Copper alloy;
2.Moulding processing:Green sand,Resin sand,Waterglass sand,Lost wax/Silicon sol or Die casting.
3.Melting facilities:Cupola furnace,medium frequency induction electric furnace or electric arc furnace.
4.Casting Inspection facilities:Direct-reading spectrum instrument,metallographic analysis,magnetic particle inspection,ultrasonic inspection,X-ray inspection,mechanical properties inspection.
5.Heat treatment facilities:Aging oven,Electric furnace,Normalizing,Quenching and Tempering equipments.
6.Surface treatment:Shot blast cleaning,polishing,Chrome plating,Zinc plating,powder coating and others.
7.Machining facilities:CNC centres,NC lathes,NC milling machines,NC boring machines,drilling machines and other common machines.
8.Inspection facilities:CNC 3-D inspecton facilities and others.
9.Industrial categories:Tractor,Heavy-duty truck industry,Car industry,Farm machinery,Construction engineering machine industry,Electricity power industry,Elevator industry,Valve industry,General machine industry and others.
10. Part Unit weight range:
     For grey iron casting: up to 15000kgs;
     For ductile iron casting:up to 4000kgs;
     For high manganese steel casting:up to 5000kgs;
     For carbon steel & alloy steel casting:up to 10000kgs;
     For Aluminum/copper alloy die casting:from 8g up to 12kgs;
     For Investment/lost wax casting:up to 80kgs;
11.Representative product:machine bed,machine table,bearing stand,housing,casing,cover,valve body,pump body,big ring gear,big pulley,big sheave,bolster,frame,rear frame,front frame,engine block,mill-ball,hammer,jaw plate,bucket tooth,front idler,excavator sprocket,link rod,Bucket link rod,barre liner,grate plate,top grate,open grate,front wall and rack etc.
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
En124 D400 Casting Grey/Ductile Iron Coversewage Lid/Drain Covers Outdoor/Manhole Covers/Manhole
 
Item: Drain,Grating,Manhole Cover
Materail:Cast Gray Iron,Ductile Iron
Shape:Round,Square,Rectangle,and Triangle
Process:Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Size range 200mm to 1200mm,Weight range 7kgs-154kgs
Surface treatment:Spray coated,Epoxy,Painted,Enamel etc.
Certificate:ISO9001:2000,SGS
Class:A15,B125,C250,D400,E600,F900

Details of the product:
1.Material & Standard:grey iron,ductile iron,malleable iron,carbon steel,alloy steel(high Manganese steel,high Chromium steel and others),Stainless steel,Aluminum alloy,Copper alloy;
2.Moulding processing:Green sand,Resin sand,Waterglass sand,Lost wax/Silicon sol or Die casting.
3.Melting facilities:Cupola furnace,medium frequency induction electric furnace or electric arc furnace.
4.Casting Inspection facilities:Direct-reading spectrum instrument,metallographic analysis,magnetic particle inspection,ultrasonic inspection,X-ray inspection,mechanical properties inspection.
5.Heat treatment facilities:Aging oven,Electric furnace,Normalizing,Quenching and Tempering equipments.
6.Surface treatment:Shot blast cleaning,polishing,Chrome plating,Zinc plating,powder coating and others.
7.Machining facilities:CNC centres,NC lathes,NC milling machines,NC boring machines,drilling machines and other common machines.
8.Inspection facilities:CNC 3-D inspecton facilities and others.
9.Industrial categories:Tractor,Heavy-duty truck industry,Car industry,Farm machinery,Construction engineering machine industry,Electricity power industry,Elevator industry,Valve industry,General machine industry and others.
10. Part Unit weight range:
     For grey iron casting: up to 15000kgs;
     For ductile iron casting:up to 4000kgs;
     For high manganese steel casting:up to 5000kgs;
     For carbon steel & alloy steel casting:up to 10000kgs;
     For Aluminum/copper alloy die casting:from 8g up to 12kgs;
     For Investment/lost wax casting:up to 80kgs;
11.Representative product:machine bed,machine table,bearing stand,housing,casing,cover,valve body,pump body,big ring gear,big pulley,big sheave,bolster,frame,rear frame,front frame,engine block,mill-ball,hammer,jaw plate,bucket tooth,front idler,excavator sprocket,link rod,Bucket link rod,barre liner,grate plate,top grate,open grate,front wall and rack etc.
 
Item: Drain,Grating,Manhole Cover
Materail:Cast Gray Iron,Ductile Iron
Shape:Round,Square,Rectangle,and Triangle
Process:Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Size range 200mm to 1200mm,Weight range 7kgs-154kgs
Surface treatment:Spray coated,Epoxy,Painted,Enamel etc.
Certificate:ISO9001:2000,SGS
Class:A15,B125,C250,D400,E600,F900
 
 

  Item		 ductile watertight manhole cover
  Size   DN100-1000mm
  Surface treatment   black painted, oil, painting
  Shape   square, round
  Material   ductile iron, cast iron, QT500
  Heat Treatment can be as your requirement.
  Advantages   Delivery on time,  according to the demand for materials
  Packing   wooden case or as your requirement.
  Delivery   within 30 days after receiving last confirm information.


1. Q: Why choose Shengao product?
     A: We shengao have our own plant-- Weifang Shengao machinery Co.,Ltd, therefore, we can surely promise the quality of every product and provide you comparable price.
2. Q: Do you provide OEM Service?
     A: Yes, we provide OEM Service.
3.  Q: Do you provide customized forging products?
      A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
4. Q: What is your payment term?
     A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.

If there's anything I can help, please feel free to contact with me.

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