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Custom Metal Casting Services

From Prototype to Production, NAITE TECH Delivers High-Quality Custom Cast Components Through Die Casting, Investment Casting, Sand Casting, Gravity Casting, CNC Machining, and Surface Finishing Services.
 
500+ Manufacturing Projects Delivered
100,000+ Parts Produced Monthly
±0.02 mm Precision After Machining
24-Hour RFQ Response Time
Prototype to Production Support
Engineering Review Before Every Production Order
4 Major Casting Processes Under One Roof
30+ Metal Alloys Available
Precision CNC Machining to ±0.02 mm
Material Certification & Inspection Reports Available
Prototype to High-Volume Production
 
High-quality cast parts
All your designs are secure and confidential
Upload your drawings or project requirements to receive:
✓ Process Recommendation ✓ Manufacturability Review  ✓ Competitive Quotation ✓ Lead Time Estimate Within 24 Hours

Why Global Manufacturers Choose NAITE TECH

More Than a Casting Supplier — A Complete Manufacturing Partner
At NAITE TECH, we help manufacturers simplify their supply chain by combining metal casting, CNC machining, surface finishing, quality inspection, and global delivery into one integrated manufacturing solution.
Whether you need prototypes, low-volume production, or large-scale manufacturing, our engineering team works closely with you to optimize designs, reduce production risks, and deliver reliable cast components ready for assembly.
1
Engineering Support From Day One
Our engineers review your drawings before production to identify potential manufacturing challenges, recommend the most suitable casting process, and help optimize part designs for cost, quality, and manufacturability.

Benefits:

✓ Faster project launch
✓ Reduced tooling modifications
✓ Improved production efficiency
2
Casting + Machining Under One Roof
Unlike traditional foundries that only provide raw castings, we offer precision CNC machining, drilling, tapping, threading, and surface finishing services to deliver fully finished components.

Benefits:

✓ Fewer suppliers to manage
✓ Shorter lead times
✓ Better dimensional consistency
6
Flexible Production Volumes
From prototype development and pilot runs to high-volume production, our manufacturing capabilities support every stage of your product lifecycle.

Benefits:

✓ Rapid prototyping support
✓ Low-volume production available
✓ Scalable manufacturing capacity
7
Quality Built Into Every Step
Quality control begins with material verification and continues through in-process inspections, dimensional checks, and final quality approval before shipment.

Benefits:

✓ Material traceability
✓ Inspection reports available
✓ Consistent production quality
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30+
Supported Metal Alloys​​​​​​​
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4+
Casting Processes Available​​​​​​​
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±0.02mm
Global distributor
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24 Hours
RFQ Response Time​​​​​​​
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200+
Worldwide Delivery Support

Casting Processes We Offer

Custom Casting Solutions for Different Materials, Geometries, and Production Volumes
NAITE TECH offers multiple casting processes to meet a wide range of design requirements, production volumes, material specifications, and performance needs. Our engineering team helps select the most suitable process based on your part geometry, tolerance requirements, and cost targets.
Die Casting (High-Pressure Casting) Serve
 
 

Die Casting (High-Pressure Casting)

   
Best for high-volume production of complex aluminum, zinc, and magnesium components with excellent surface finish.
 
Description
Die casting uses high pressure to inject molten metal into steel molds, enabling high precision and rapid production. Ideal for aluminum, zinc, and magnesium components requiring structural integrity and fine features.
 
Applications
Electronics housings, automotive brackets, heat sinks, machinery enclosures.
 
Advantages
 High dimensional accuracy
  Smooth surface finish
Excellent repeatability
Suitable for thin-walled parts
Low per-unit cost at mass production   
Gravity & Permanent Mold Casting Serve
 
 

Gravity / Permanent Mold Casting

 
Best for medium-volume production of aluminum and zinc components with high mechanical strength.
 
Description
Molten metal is poured into reusable metal molds under gravity, producing dense, strong components with excellent dimensional repeatability.
 
Applications
Automotive structural parts, aluminum housings, medium-volume industrial components.
 
Advantages
High mechanical strength
Reusable molds reduce costs over multiple runs
Excellent dimensional repeatability
Suitable for medium-volume production
Reduced post-processing for many applications
   
   
  
Investment Casting (Lost Wax Casting) Serve
 
 

Investment Casting (Lost Wax Casting)

 
Best for producing highly detailed and intricate stainless steel, superalloy, and copper components.
 
Description
Investment casting, or lost-wax casting, uses wax patterns coated with ceramic to create molds, producing complex geometries with tight tolerances and excellent surface finishes. Suitable for small to medium batch production.
 
Applications
Aerospace components, medical instruments, precision machinery parts, valves and fittings.
 
Advantages
Exceptional surface finish
High dimensional accuracy
Supports complex geometries
Suitable for stainless steel and superalloys
Minimal post-processing required    
 
Low-Pressure Casting Serve
 
 

Low-Pressure Casting

 
Best for hollow or complex aluminum components needing reduced porosity and high structural integrity.
 
Description
Low-pressure casting injects molten metal into molds under controlled low pressure, reducing porosity and ensuring high-quality dense parts, suitable for functional prototypes and production parts.
 
Applications
Automotive lightweight components, aerospace structural parts, machinery housings, functional prototypes.
 
Advantages
L ow porosity, high density
Maintains structural integrity for thin or hollow parts
Suitable for complex shapes
Consistent quality across batches
Supports multiple alloys
Sand Casting Serve
 
 

Sand Casting

   
Best for large or heavy parts requiring a cost-effective, flexible solution.
 
Description
Sand casting involves pouring molten metal into sand molds. It is versatile, able to handle a wide variety of metals and alloys, and ideal for low- to medium-volume production of large components.
 

 
Applications
Industrial machinery housings, pump bodies, large structural parts, engine blocks.
 
Advantages
Cost-effective tooling
Flexible for multiple metals
Large part size capability
Suitable for low- to medium-volume production
Simple mold modification for design changes
 
 
Prototype Casting Serve
 
 

Prototype Casting

 
Best for early-stage functional testing and low-volume prototype parts.
 
Description
Prototype casting provides fast, cost-effective production of parts to validate design and functionality before mass production. Supports multiple alloys and surface finish options.
 
Applications
Proof-of-concept parts, design verification, functional testing, early-stage development components.
 
Advantages
Quick turnaround
Low cost for small quantities
Supports multiple materials
Enables design validation before full production
Can integrate post-processing as needed
 
    

Which Casting Process Is Right For Your Project?

Selecting the Right Casting Process Can Reduce Cost, Improve Quality, and Shorten Lead Times.
Different casting processes offer unique advantages depending on part geometry, material requirements, production volume, dimensional tolerances, and performance expectations.
Our engineering team helps you evaluate these factors and recommend the most suitable manufacturing solution for your project.
  Project Requirement Recommended Process
  High-Volume Production Die Casting
  Complex Geometries Investment Casting
  Large Components Sand Casting
  High Structural Strength Gravity Casting
  Reduced Porosity Low-Pressure Casting
  Product Validation & Testing Prototype Casting
  Lowest Tooling Investment Sand Casting
  Best Surface Finish Investment Casting
  Fast Production Rate Die Casting
  Lightweight Aluminum Parts Gravity Casting
We Help You Evaluate
  • Production Volume
  • Material Selection
  • Dimensional Requirements
  • Cost & Lead Time

Not Sure Which Process Fits Your Design?

From Prototype Tooling to Mass Production — Fast, Accurate, Reliable
Upload your CAD files or technical drawings and receive:

✓ Process Recommendation
✓ Manufacturability Review
✓ Preliminary Cost Evaluation
✓ Lead Time Estimate
✓ Engineering Feedback
Within 24 Hours
Contact us
Choose File

    *Please upload only step/stl/pdf/dwg files. Size limit is 25MB.

    Casting Materials We Support

    Selecting the right casting material is critical to achieving the required mechanical performance, durability, corrosion resistance, and cost efficiency. At NAITE TECH, we support a wide range of metal casting materials, covering aluminum, zinc, steel, iron, copper-based alloys, and special alloys for demanding applications.
    Our engineering team assists in material selection, performance optimization, and cost trade-off analysis to ensure each casting solution meets functional and commercial requirements.
    Aluminum Alloys Cast Parts
     

    Aluminum Alloys

      

    Common Grades: A356, A360, A380, ADC12, AlSi10Mg
    Best for: Lightweight, high-strength mechanical parts
    Properties: Corrosion-resistant, good thermal conductivity, excellent machinability, favorable strength-to-weight ratio
    Uses: Automotive components, robotics structures, electronics housings, aerospace structural parts

    Zinc Alloy Cast Parts
     

    Zinc Alloys

      

    Common Grades: Zamak 3, Zamak 5, Zamak 8, Zamak 12
    Best for: High-precision, complex small components
    Properties: Excellent fluidity, thin-wall capability, high dimensional stability, smooth surface finish
    Uses: Connectors, brackets, consumer electronics, decorative and cosmetic components

        

       

    Magnesium Alloys Casting Parts
     

    Magnesium Alloys

      
    Common Grades: AZ91D, AM60B
    Best for: Ultra-lightweight components with high strength-to-weight ratio
    Properties: Approximately 33% lighter than aluminum, excellent castability, good shock absorption
    Uses: Automotive lightweight parts, aerospace structures, handheld devices, portable equipment housings
    Stainless Steel Casting Parts
     

    Stainless Steel

      

    Common Grades: 304, 316, 316L, 410, 17-4PH
    Best for: High-strength, corrosion-resistant precision parts
    Properties: Excellent durability, wear resistance, corrosion resistance, suitable for harsh environments
    Uses: Medical devices, industrial machinery, tooling components, aerospace and defense applications

    Carbon & Alloy Steel Casting Parts
     

    Carbon & Alloy Steel

      

    Common Grades: 1020, 1045, 4130, 4140
    Best for:Load-bearing and high-stress structural components
    Properties: High toughness, excellent mechanical performance, good fatigue resistance
    Uses: Gears, shafts, valves, automotive and heavy machinery components

         

    Copper & Bronze Alloys Casting Parts
     

    Copper & Bronze Alloys

      

    Common Grades: C11000, C51000, C95400
    Best for: Electrical components and wear-resistant parts
    Properties: Excellent electrical and thermal conductivity, good corrosion and wear resistance
    Uses: Electrical fittings, marine hardware, industrial bearings and bushings

      

    Engineering Support Note

    If you are unsure which casting material best fits your application, our engineers provide material selection consulting and DFM analysis to balance performance, manufacturability, and cost efficiency.

    Casting Material Performance Comparison Table

    This comparison helps engineers and buyers quickly evaluate material suitability based on functional performance and manufacturing behavior.

    Material Category

    Typical Alloys

    Strength Level

    Weight

    Corrosion Resistance

    Cost Level

    Aluminum Alloys

    A356, A380, ADC12

    Medium–High

    Light

    Good

    $$

    Zinc Alloys

    Zamak 3, 5

    Medium

    Medium

    Moderate

    $$

    Magnesium Alloys

    AZ91D, AM60B

    Medium

    Ultra-Light

    Moderate

    $$$

    Stainless Steel

    304, 316, 17-4PH

    Very High

    Heavy

    Excellent

    $$$$

    Carbon & Alloy Steel

    1020, 1045, 4140

    High

    Heavy

    Low–Moderate

    $$$

    Copper & Bronze

    C11000, C95400

    Medium

    Heavy

    Good

    $$$$

    Gray Iron

    ASTM A48

    Medium

    Heavy

    Low

    $

    Ductile Iron

    ASTM A536

    High

    Heavy

    Moderate

    $$
    Engineering Selection Guidelines
    Lowest cost + mass production: Zinc or aluminum die casting
    Lightweight structural parts: Aluminum or magnesium alloys
    High corrosion & strength requirements: Stainless steel investment casting
    Heavy-duty mechanical loads: Ductile iron or alloy steel
    Electrical or wear resistance needs: Copper or bronze alloys
    Need Help Selecting the Right Material?
    Material selection affects:
    ✓ Mechanical Strength  ✓ Corrosion Resistance  ✓ Weight  ✓ Machinability  ✓ Production Cost  ✓ Service Life
    Our engineering team can help identify the most suitable alloy based on your design and application requirements.
    Request Material Recommendation

    Real Casting Parts We Manufacture

    Real Manufacturing Cases Delivered for Global Clients
    Below are selected casting projects manufactured by NAITE TECH. These examples demonstrate our capabilities in producing high-precision, complex, and production-grade cast components across multiple industries.
    Each project includes casting, CNC machining, surface finishing, and quality inspection based on customer requirements.
    • Stainless Steel Valve Body
    • Titanium Medical Component
    • Automotive Transmission Bracket
    • Large Pump Housing
    • Precision Aerospace Bracket
    • Bronze Bearing Component

    Do You Have a Similar Project?

    From Prototype Tooling to Mass Production — Fast, Accurate, Reliable
    If you are developing a new product or looking for an alternative supplier, our engineering team can help you evaluate manufacturability, select the right process, and optimize cost and performance.
     
    You Can Send:
    ✓ 2D Drawings  ✓ 3D CAD Files  ✓ Material Requirements  ✓ Annual Quantity

    You Will Get:
    ✓ Process Recommendation  ✓ DFM Feedback  ✓ Cost Estimate  ✓ Lead Time Analysis

    Precision Quality Control Throughout Every Manufacturing Stage

    At NAITE TECH, quality is not a final step—it is integrated into every stage of the casting and machining process. From raw material verification to final inspection, we ensure every component meets strict dimensional, mechanical, and performance requirements.

    1. Incoming Material Inspection

    All raw materials are verified before production to ensure compliance with required chemical and mechanical specifications.

    Includes:

    ✓ Material grade verification

    ✓ Chemical composition analysis

    ✓ Supplier certification review

    2. Process Quality Control

    Quality checks are performed during casting and machining to prevent defects early in production.

    Includes:

    ✓ Process parameter monitoring

    ✓ Mold condition inspection

    ✓ In-process dimensional checks

    3. Dimensional Inspection

    Critical dimensions are measured to ensure full compliance with engineering drawings.

    Includes:

    ✓ Caliper & micrometer measurement

    ✓ Coordinate verification

    ✓ Tolerance validation

    4. CMM Inspection (Coordinate Measuring Machine)

    Advanced 3D measurement ensures high-precision components meet tight tolerance requirements.

    Includes:

    ✓ 3D dimensional inspection

    ✓ GD&T verification

    ✓ Critical feature analysis

    5. First Article Inspection (FAI)

    Before mass production, initial samples are fully inspected and approved by engineering teams.

    Includes:

    ✓ Full dimensional report

    ✓ Functional verification

    ✓ Customer approval process

    6. Final Inspection Before Shipment

    Every batch undergoes final inspection before packaging and delivery.

    Includes:

    ✓ Appearance check

    ✓ Dimensional final verification

    ✓ Packaging inspection

    • ✓ Material Certificates (MTC)​​​​​​​
    • ✓ Inspection Reports​​​​​​​
    • ✓ CMM Reports​​​​​​​
    • ✓ First Article Inspection (FAI)​​​​​​​
    • ✓ Certificate of Conformity (COC)​​​​​​​
    • ✓ PPAP Documentation (on request)​​​​​​​

    Quality You Can Rely On

    From Prototype Tooling to Mass Production — Fast, Accurate, Reliable
    We help manufacturers reduce risk by ensuring every part is inspected, verified, and documented before shipment.
     
    This Means For You:
    ✓ Fewer production defects
    ✓ Lower supply chain risk
    ✓ Stable long-term quality
    ✓ Easier supplier qualification

    Casting Capabilities & Technical Specifications

    Evaluate our manufacturing capabilities across casting processes, material options, dimensional tolerances, part sizes, production volumes, and secondary operations. These specifications provide a quick overview of the technical parameters we support for prototype and production casting projects.
    Specification Capability        
    Casting Processes Die Casting, Investment Casting, Sand Casting, Gravity Casting, Low-Pressure Casting        
    Supported Materials Aluminum, Steel, Stainless Steel, Iron, Brass, Bronze        
    Part Weight Range 0.05 kg – 500 kg        
    Maximum Part Size Up to 1500 mm        
    Minimum Wall Thickness From 1.5 mm        
    Typical Casting Tolerance ISO 8062 CT6–CT8        
    CNC Machining Tolerance Up to ±0.02 mm        
    Surface Roughness Ra 1.6 – 6.3 μm        
    Prototype Lead Time 7–15 Days        
    Tooling Lead Time 15–30 Days        
    Production Volume Prototype to 100,000+ Parts        
    Quality Documentation Available Upon Request        
    1
    Part Size
    Small Precision Components to Large Industrial Castings​​​​​​​
    01
    2
    Precision
    Up to ±0.02 mm After CNC Machining​​​​​​​
    02
    3
    Materials
    30+ Supported Metal Alloys​​​​​​​
    03
    4
    Volume
    Prototype to Mass Production​​​​​​​
    04

    How We Deliver Your Casting Project

    A Clear, Structured Manufacturing Process From Drawing to Delivery
    At NAITE TECH, we follow a transparent and engineering-driven workflow to ensure every casting project is executed efficiently, accurately, and with full quality control at every stage.
    1
    Step 1
    Drawing & Requirement Review

    You submit 2D drawings or 3D CAD files along with material, quantity, and application requirements.

    We review all technical details to understand your project goals.
    2
    Step 2​​​​​​​
    Engineering Evaluation (DFM Analysis)

    Our engineering team evaluates manufacturability and provides suggestions to optimize:

    ✓ Part geometry
    ✓ Wall thickness
    ✓ Draft angles
    ✓ Material selection
    ✓ Cost efficiency
    6
    Step 3
    Process Recommendation & Quotation

    We recommend the most suitable casting process based on your requirements:

    Die Casting
    Investment Casting
    Sand Casting
    Gravity Casting
    Low-Pressure Casting
    You will receive a detailed quotation with lead time and technical feedback.
    7
    Step 4
    Tooling & Mold Development

    Once approved, we begin tooling design and mold manufacturing.


    This stage ensures:
    ✓ Accurate geometry replication
    ✓ Stable production quality
    ✓ Long-term durability of tooling

    1
    Step 5
    Sample Production

    We produce initial samples for evaluation and testing.

    This ensures all specifications are met before mass production.
    2
    Step 6
    Sample Approval (FAI)

    First Article Inspection is performed and submitted for customer approval.

    Includes:
    ✓ Dimensional report
    ✓ Visual inspection
    ✓ Functional validation (if required)
    6
    Step 7
    Mass Production

    After approval, we begin stable production with strict process control.

    Includes:
    ✓ In-process inspection
    ✓ Batch consistency control
    ✓ Quality monitoring
    7
    Step 8
    Final Inspection & Global Delivery

    All parts undergo final inspection before packaging and shipment.

    We provide global logistics support to ensure safe and timely delivery.​​​​​​​
    ​​​​​​​

    Casting Services FAQs

    Get a Quote for Your Casting Project

    From Prototype Tooling to Mass Production — Fast, Accurate, Reliable
    Upload your CAD files and receive a professional engineering review and competitive quotation for your casting project.
    NAITE TECH supports die casting, investment casting, sand casting, and hybrid manufacturing solutions tailored to your application.
    Contact us
    Choose File

      *Please upload only step/stl/pdf/dwg files. Size limit is 25MB.

      If there are any CNC machining issues.
      Please contact us.
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