Welcome to Jinlong Foundry Group, we are a reputable manufacturer of top quality cast iron products.

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main road ductile iron manhole cover

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Quick details

· Shape: Round

· Material: Ductile Iron GJS500-7

· Duty Class: EN124 D400

· Frame Style: Bottom Flange

· Gasket Material: Neoprene

· Lock Material: SS304

· Coating: Black Bitumen

· Standard: EN124-2015

· Surface Pattern:Customized

· Surface text:Customized


Quality Control Process

 

Raw Material Inspection

● Raw Material inspection including chemical.

● components analysis, tensile strength test and etc. 

Quality Control Groups

● 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. 

Laboratory

● Chemical Components.

● Microstructure Test.

● Tensile Strength.


We supply  main road ductile iron manhole cover. 

We devoted ourselves to casting industry for many years,has been exporting to Europe and Australia since 2001. 

We are expecting become your long team partner, OEM & OED is welcomed.

OEM SERVICES

Service

Drawings or samples processing

OEM /ODM service provided

Produce Process

Drawings→ mould making →raw casting → sandblasting →rough machining or finish machining →surface treatment →product checking→ packing →delivering

Casting Material

Cast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel,
Aluminum, Aluminum alloy etc.

Standard

EN124,ISO, GB, ASTM, DIN, JIS

Equipment

melting furnace, centrifugal casting machines coated sand casting machine CNC machines turning machines grinding machines milling machines drilling machine punching machines laser carving machine

Surface treatment

Heat treatment, Polishing, Sand blasting, Painting, Electro-plating, Chemical Plating,

and other machining processing.

Inspection

Equipments

Spectrum analysis instrument, Metallurgical analysis, Tensile strength tester, Hardness tester, Roughness tester, deflection tester, Impact test machine, Projector, Altimeter, Scale Micrometer, pressure tester, etc.

Delivery

Sample sent to customer by air.

Large quantity products delivered to customer by sea from xingang,China

Payment terms

L/C at sight or 30% T/T as deposit and balanced 70% to pay before shipment

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