Chinease Foundry Ductile Iron Manhole Covers for Rainwater

Chinease Foundry Ductile Iron Manhole Covers/ Manhole Cover

Manhole Cover
Cast iron manhole cover

We can produce all kind of manhole cover with customers' drawing or sampe.
OEM ans ODM are welcomed.

Details of the product:
1.Material & Standard: grey iron,ductile iron,malleable iron,carbon steel,alloy steel(high Manganese steel,high Chromium st eel 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,ultra sonic 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 comm on 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 machin e 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 ge ar,big pulley,big sheave,bolster,frame,rear frame,front frame,engine block,mill-ball,hammer,jaw plat e,bucket tooth,front idler,excavator sprocket,link rod,Bucket link rod,barre liner,grate plate,top g rate,open grate,front wall and rack etc.

Manhole Cover Workshop:

Manhole Cover:


Qualtiy Control:




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.