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SINCERITY QUALITY COMPETENCE ENTERPRISING
General Products Application /Service Area:
We are custom casting aluminum parts based on your drawing or sample. aluminum parts for vehicle, agriculture machine, construction machine, transportation equipment, Valve and Pump system. E.g. 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, flywheel, oil pump housing, starter housing, coolant pump housing, transmission shaft , transmission gear, sprocket, chains etc.
Product Name | Auto Engines Aluminum Inlet Manifold 4 Cylinder Intake Manifold |
Main blank Process | Permanent Molding /Gravity Casting, Low Pressure Casting, High Pressure Casting etc. |
Blanks Tolerance -Casting Tolerance | CT4-6 for Permanent Molding |
Applicable Material for Aluminum casting | A356.0/ZL101,GAlSi7Mg (3.2371.61)/AlSi7Mg/, A-S7G, Al Si Alloy, Al Cu Alloy ZL201 Al Mg Alloy ZL301,ZL302, Al Zn Alloy ZL401Zn Alloy Zamak 3, Zamak 5, Zamak 7, Zamak 2, Or according to customer requirements |
Casting Blank Size /Dimensions | 2 mm-1500mm / 0.08inch-60inch , or according to customer requirements |
Applicable Machining Process | CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ Broaching/Reaming /Grinding/Honing and etc. |
Machining Tolerance | From 0.005mm-0.01mm-0.1mm |
Machined Surface Quality | Ra 0.8-Ra3.2 according to customer requirement |
Applicable Heat Treatment | T5~T6 for 4 Cylinder Intake Manifold |
Applicable Finish Surface Treatment | Shot/sand blast, polishing, Primer Painting , Powder coating, ED- Coating, Finish Painting, Anodize (White or Black Color), as customers request. |
Lead Time | About 45 days for 4 Cylinder Intake Manifold |




















Main Testing Equipment | ||||||
1 | Metallographic microscope | 2 | CMM | |||
3 | Digital hydraulic strength testing machine | 4 | Digital display micro Vickers hardness tester | |||
5 | Surface roughness tester | 6 | Carbon & Silicon Analyzer | |||
7 | PS analyzer | 8 | Spectrometer | |||
9 | Tensile testing machine | 10 | Image Measuring Instrument | |||




Inner Packaging
Strong & waterproof plastic big is packed inside, to keep the product in safe condition.Or as customer requests.
Outer Packaging
Multilayer wooden box with strong bandages, used for standard export package. Or customized as per customer's requirements.


1.Are you a manufacturer or a trading company? We are a professional manufacturer with over 15 years' export experience for designing and producing vehicle machinery parts. | ||||||
2. Can you make 4 Cylinder Intake Manifold according to our drawing? Yes, we can make casting according to your drawing, 2D drawing, or 3D cad model. If the 3D cad model can be supplied, the development of the tooling can be more efficient. But without 3D, based on 2D drawing we can still make the samples properly approved. | ||||||
3.How can I get some samples? If you need, we are glad to offer you samples for free, but the new clients are expected to pay the courier cost, and the charge will be deducted from the payment for formal order. 4.Can you make 4 Cylinder Intake Manifold based on our samples? Yes, we can make measurement based on your samples to make drawings for tooling making. 5.What's your quality control device in house? We have spectrometer in house to monitor the chemical property, tensile test machine to control the mechanical property and UT Sonic as NDT checking method to control the casting detect under the surface of casting. | ||||||
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