Die Casting Services
Custom Metal Parts from Tooling to Final Finishing
Our supports custom die casting projects for metal housings, structural components, brackets, covers, and production-ready assemblies. Our capabilities combine tooling development, casting coordination, precision CNC machining, surface finishing, inspection, and assembly within one managed workflow.
Key Capabilities
- Die Casting Tooling Development
- Aluminum and Zinc Alloy Parts
- Low-to-High Volume Production
- Secondary CNC Machining
- Finishing and Product Assembly
- Dimensional Inspection
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Explore Our Capabilities
Core Die Casting Capabilities
Our die casting services support the development of durable metal parts from initial design review through tooling, production, machining, finishing, and final inspection.
Tooling and Die Casting Production
Support for die design, aluminum and zinc-alloy casting, and volume manufacturing.
CNC Machining and Finished-Part Delivery
In-house CNC machining, surface finishing, inspection, and assembly for production-ready parts.
Parts We Machine Every Day
Our CNC capabilities go beyond these examples. Share your design and get engineering feedback before machining begins.
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Automotive ECU Heat Dissipation Die-Cast Substrates
Lightweight aluminum alloy substrates for automotive electronic control units, manufactured by high-pressure die casting. Integrated thin cooling fins, mounting bosses and positioning holes are formed in a single molding step, delivering stable heat dissipation performance for vehicle ECU modules.
Integrated Automotive Fluid Pipeline Die-Cast Brackets
Multi-purpose die-cast brackets for automotive fluid pipelines and sensor fixtures. Complex curved base structures and multi-lug mounting positions are integrally cast, cutting assembly parts and boosting structural stability under vehicle vibration.
High Precision Module Die-Cast Mounting Bases
Aluminum die-cast bases for automotive power and sensor modules. Uniform wall thickness, precise threaded holes and locating holes are realized via die casting, complying with strict flatness and tolerance standards for electronic component assembly.
Dual-Cavity Shock-Absorbing Die-Cast Housings
Symmetric dual-cavity aluminum die-cast housings for automotive shock buffer systems. Built-in reinforcing ribs enhance impact resistance, while one-step casting effectively reduces overall product weight.
Materials Engineered for CNC Machining
Not Sure Which Material Fits Your Part Best?
Our engineers evaluate part geometry, tolerances, performance requirements, and production volume to recommend the right alloy for strength, cost, and manufacturability.
Evaluate alloy castability before tooling
Review wall thickness, draft, and parting lines
Balance performance, finish, and production cost
Explore Material Guide
Die Casting Finishing Options
| Finish | Description | Common Applications |
| As-Cast | Retains the natural cast surface after trimming and cleaning. | Internal components and non-cosmetic parts |
| CNC Machining | Finishes critical holes, sealing faces, threads, and mating surfaces. | Precision assemblies and functional components |
| Tumbling | Removes minor burrs and improves general surface consistency. | Small zinc and aluminum parts |
| Sandblasting | Creates a uniform matte surface before coating or final use. | Housings, brackets, and covers |
| Shot Blasting | Cleans and textures the cast surface. | Industrial and automotive components |
| Powder Coating | Provides color, corrosion protection, and a durable cosmetic finish. | Enclosures, housings, and outdoor components |
| Spray Painting | Supports custom colors, gloss levels, and cosmetic requirements. | Consumer and equipment housings |
| Anodizing | Improves surface protection on suitable aluminum materials. | Aluminum housings and machined features |
| Electroplating | Adds decorative or functional metal coatings. | Zinc hardware and cosmetic components |
| Electrophoresis | Provides uniform coating coverage and corrosion protection. | Automotive and industrial components |
| Polishing | Improves smoothness and cosmetic appearance. | Decorative hardware and visible surfaces |
| Laser Engraving | Adds permanent part numbers, logos, or identification. | Traceable industrial parts |
| Screen Printing | Applies graphics, symbols, and operating information. | Control housings and branded components |
From CAD File to Finished Die-Cast Part
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Design Review
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Evaluate geometry, alloy, wall thickness, draft, tolerances, surface finish, and production volume.
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Tooling Development
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Design and manufacture the die, including gates, cooling channels, ejectors, and moving features.
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Trial Casting and Optimization
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Produce initial samples and refine tooling or process parameters based on dimensional, cosmetic, and functional results.
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Production and CNC Machining
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Complete volume casting, trimming, drilling, tapping, and precision machining of critical features.
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Finishing and Inspection
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Apply the required surface finish, verify dimensions and appearance, complete assembly, and prepare parts for shipment.
Ready to Start Your Die Casting Project?
Send Fengrui your CAD files, drawings, expected quantities, alloy requirements, surface specifications, and critical tolerances. Our engineering team will review the part design and recommend a suitable tooling, casting, machining, finishing, and inspection plan.
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3D CAD file
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Dimensioned drawing
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Expected annual quantity
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Preferred alloy
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Surface-finish requirements
TOP Prototype Resources and FAQs
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Which Materials Are Commonly Used for Die Casting?
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Aluminum and zinc alloys are widely used. The final alloy depends on strength, weight, corrosion resistance, surface quality, thermal performance, and cost.
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Does Die Casting Require a Mold?
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Yes. Die casting requires dedicated metal tooling, so the expected production quantity should justify the tooling investment.
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Can Die-Cast Parts Be CNC Machined?
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For most automotive components, standard tolerances of ±0.05 mm are commonly achievable, with tighter tolerances applied only where function requires it. Critical interfaces, alignment features, or rotating components can be controlled to tighter limits based on design intent.
Actual tolerances depend on part geometry, material, and functional requirements rather than a fixed blanket standard.
f you require a more detailed explanation, please contact us.
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Can Fengrui Support Aluminum and Zinc-Alloy Parts?
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For most automotive components, standard tolerances of ±0.05 mm are commonly achievable, with tighter tolerances applied only where function requires it. Critical interfaces, alignment features, or rotating components can be controlled to tighter limits based on design intent.
Actual tolerances depend on part geometry, material, and functional requirements rather than a fixed blanket standard.
f you require a more detailed explanation, please contact us.
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What Information Is Needed for a Quote?
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Provide the CAD file, drawing, material, quantity, tolerances, surface finish, and functional requirements.
