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

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ductile iron differential shell for vehicle


Our Advantage

1. Solid Experience

We have been designing and manufacturing products for European market since 2001, just send us your requirements, we will do all the works

2. Premium Quality

From raw material selection to design to casting process to quality control, we adhere to EN124 standard strictly which guarantee reliable quality.

3. Deliver on time

3000 ton of product yield enable us always deliver quickly.

4. Large variety of casting mould

We accumulated thousands of different casting mould in last 30 years.

Quality Control Process

Raw Material Inspection

· Raw Material inspection including chemical

· components analysis, tensile strength test and etc.

Quality Control Groups

· Dimensions Inspection

· 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 iron differential shell for vehicle, OEM foundry supply from China

If you or your business needs cast iron parts, we can help. We are a experienced foundry that can produce castings as small as a few kilograms and as large as 1000 kg. We are capable of making castings of varying complexities, from castings that do not require a core to castings that require multiple cores or complex core assemblies.

Please feel free to send your drawing for quotation.

General ApplicationMetal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system, Agriculture machine metal Parts, engine bracket, truck chassis bracket, gear box , gear housing , gear cover, shaft, spline shaft , pulley, flange, connection pipe, pipe, hydraulic valve , valve housing ,Fitting , flange, wheel, fly wheel, oil pump housing, starter housing, coolant pump housing, transmission shaft , transmission gear,sprocket,chains etc.
Main Process for CastingSand Casting , Resin Sand Casting, Green Sand Casting, Shell Molding, Automatic Molding, Molding Casting etc.
Casting ToleranceCT9-10 for Machine Molding Process,
CT8-9 for Shell Molding and Lost Foam Molding Casting Process
CT10-11 for Manual Molding Sand casting Process
MaterialGray Iron: ASTM A48/ EN1561

Class 25/GJL150

Class 30/ GJL200
Class 35/ GJL250

Class 45/ GJL300

Ductile Iron: ASTM A536/ EN1563

Grade 60-40-18/GJS 400-18
Grade 65-45-12/GJS450-10
Grade 60-50-05/GJS500-7
Casting Dimensions30mm-2000mm / 0.08inch-79inch for free forging pressaccording to customer requirement
Casting WeightRange from 1kg 1000kg for free forging press
ApplicableCNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/
Machining ProcessBroaching/Reaming /Grinding/Honing and etc.
Applicable FinishShot/sand blast, polishing, Surface passivation, Primer Painting , Powder coating, EDCoating,
Surface TreatmentChromate Plating, zinc-plate, Dacromat coating, Finish Painting etc.