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Customized High Quality Cast Iron Sewer Cover Manhole Cover

FOB Price:US $5-50 / Pieces
Min. Order Quantity:1 Piece/Pieces
Supply Ability:1000 Ton/Tons per Month
delivery time:30days
Port:China main port
Payment Terms: L/C,T/T,D/A,D/P, Western Union ,MoneyGram,Other
Place of Origin: Liaoning, China (Mainland)
  • OEM

  • New Densen

Customized high quality cast iron Sewer Cover Manhole Cover

New Densen is professional supplier for manhole covers, made hundred kinds of various manhole covers for customers among the world. Material can be stainless steel, duplex stainless steel, carbon steel, alloy steel, brass, etc. Process could be investment casting, sand casting, sintering, machining. Quality is reliable and prices are competitive. Welcome you send us enquires for quotation. 


Production Description:



Customized high quality cast iron Sewer Cover Manhole Cover



Square, round, channel grate


Urban drainage system,Municipal Engineering


Green sand casting, resin sand casting


 ductile iron gg 500-7

Weight Ranges



Controlled by ISO8062 CT11-14

Design Support

UG, SolidWorks, AutoCad, PDF  

Quality Control

Material, Dimension,Performance,inside defects,load test


EN124 standards

Production Show:Ductile Iron sand casting Manhole Cover





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 Products shown herein are made to the requirements of specific customers and are illustrative of the types of manufacturing capabilities available within Densen group of companies.

Our policy is that none of these products will be sold to 3rd parties without written consent of the customers to whom the tooling, design and specifications belong.  


About our Company Small Casting Water Pump Impeller Open Impeller small impellers bronze impeller

Shenyang New Densen Casting and Forging Company is the sales company of Shenyang Densen Group of Companies. Features of New Densen simply summarized as below:

1. Trusted supplier of steel, iron & non-ferrous components;

2. Extensive documented quality program in place. 

3. Castings, forgings, stampings, machining, welding & fabrication services.

4. 9 related factories, over 50 joint-venture sub-contractors.

5. 25+ years of manufacturing experiences, 10+ years of exporting experience

6. 100% of products sold to overseas customers.

7. 50% of customer base is forturne 500 companies. 


Densen Group:Ductile Iron sand casting Manhole Cover

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Casting Service:

Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.

New Densen offers multiple investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, lost foam casting, etc. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.01Kg to 150 tons separately. ti

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 Forging Service:

Forging is a manufacturing process involving the shaping of metal using localized compressive forces. New Densen offers open die forging, closed die forging and ring forging services. Material can be steel, iron and non-ferrous. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.1Kg to 50,000Kgs.

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Stamping Service:

Stamping (also known as punching) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape.

New Densen-XBL has more than 60 sets stamping equipments, is the designed supplier for several famous bands automotive companies, has the full ability to offer whole processes from blanking, stamping, welding, to electrostatic spraying for worldwide customers.


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Welding & Fabrication Service: 

Welding Frabrication is the fabrication process of metal structures by cutting, bending, then assembling the components together through welding 

New Densen offers manual arc welding ,laser welding and robot welding etc. UT, MPT,RT,PT all are available used for inspection, WPS &PQR (Welding Process Specification& Procedure Qualification Records) before production is available under clients’ requirement. 

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 Machining Service: 

Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process. 

New Densen-XBL has more than 60 sets precision machines incl. CNC center, boring, milling, lathing, etc., and more than 300 inspection instruments incl. 3 sets CMM with grade μm. Repeated tolerance can be maintained as 0.02mm. Meanwhile awarded by certificates ISO9001-2008; ISO/TS16949. New Densen-XBL specialized in high precise machining for small-middle-big metal components. 

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3rd Party Inspection:Ductile Iron sand casting Manhole Cover

New Densen worked as 3rd party inspection center besides its sister factories or sub-contractors' self inspection, Offers process inspection, random inspection and before delivedry inspection services for material, mechanical, inside defects, dimentional, pressure, load, balance, surface treatment,  visual inspection and test. Weekly project follow-up report together with pictures and videos, full quality inspection documentation available. 

New Densen also designed as 3rd party inspection representative for several customers when their products made by other suppliers. 

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Sketches of sub-companies of Densen Group: 

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Sales data in 2017: Ductile Iron sand casting Manhole Cover

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Contact us

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  • Q Are you a manufacturer or a trader?

    We have our own foundry ,forging factory and machinery shop located in Liaoning Province, China.
  • Q What can you do for customer?

    One Stop Service
    1).Manufacturing and supply various machinery parts.
    2). Technical analysis and design 
    3).Factory audit, on-site production supervision, in-time feedback, pre-shipment quality inspection
  • Q How could you commit the product quality?

    1) all our factories were ISO certified. 
    2) more than 50% of New Densen’s products were sold to worldwide top 500 companies 
    which located in North American, Western Europe, and Japan.
    3) New Densen’s QC engineers will do on-site supervision and before EX-work quality inspection. New Densen will issue inspection reports for customers’ approval before EX-work. New Densen will be responsible for its reports and every parts no matter how long sold to customers.
  • Q How long shall we get the quotation?

    Processing time for inquiry: 1-3 working days.