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Investment Casting
Delivers exceptional dimensional accuracy and superior surface finish for complex, detailed parts in high-performance alloys. Ideal for intricate components with tight tolerance requirements.
Get QuoteCustom Metal Casting Services
We deliver professional custom metal casting solutions, transforming designs into high-integrity components from prototype to production. Our advanced foundry processes ensure superior quality for diverse industrial applications.
- Rapid Quoting & Process Selection: Submit drawings for expert process advice and precise quotes.
- Full Foundry Capabilities: Sand, investment, and die casting for parts (0.1kg to 1,000kg) in multiple alloys.
- End-to-End Engineering: Complete support from mold design to heat treatment and finishing.
- Cost-Effective Production: Optimized solutions for both low and high-volume manufacturing runs.
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Trusted by Engineers and Purchasing Leaders at the World's Most Successful Companies
15+Years in Metal Casting
200,000+Precision Castings Delivered
98.8%On-Time Delivery Rate
≤1.2%overall defect rate
Trusted bynumerous companies
JS Precision provides metal casting services. With 15+ years of experience, we ensure a 98.8% on-time delivery rate and maintain a defect rate of ≤1.2% to achieve reliable manufacturing.
What isMetal Casting
Metal casting is a core manufacturing process where molten metal is poured into a precision mold to create durable, high-integrity components. This method delivers complex geometries and superior material properties, serving critical applications in aerospace, energy, automotive, and heavy machinery sectors.
We provide advanced metal casting solutions utilizing sand, investment, and permanent mold processes. Our capabilities cover a wide range of alloys, ensuring part quality and dimensional accuracy for both prototype and production volumes.
This process is ideal for producing engine blocks, pump housings, structural frames, and valve bodies. Key advantages include design flexibility, high-volume efficiency, and the ability to manufacture robust, near-net-shape parts with consistent performance.
Metal Casting Services for Custom Precision Parts
From prototyping to high-volume production, our comprehensive metal casting solutions transform your designs into high-integrity components through advanced foundry processes and technical expertise.
Die Casting
Provides high-efficiency production of durable, dimensionally stable parts with excellent repeatability. Optimized for large-volume orders requiring consistent quality and thin-walled geometries.
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Vacuum Casting
Ensures high-integrity castings with minimal porosity and superior metallurgical properties. The preferred solution for premium-quality prototypes and low-volume production runs.
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Sand Casting
Offers versatile and cost-effective production of robust medium to large castings. Supports the broadest range of alloy types and is adaptable for both simple and complex part designs.
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Low Pressure Die Casting
Produces high-quality aluminum castings with enhanced mechanical properties and reduced porosity. Delivers improved metallurgical integrity for structurally critical components.
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High Pressure Die Casting
Enables rapid production of precision parts with excellent surface finish and tight tolerances. Optimized for high-volume manufacturing of complex, thin-walled components.
Get QuoteMetal Casting Parts Display
Parts displayed are designed by JS Precision, non-confidential.
Standardized Production Process for Metal Casting
Our certified production system, compliant with ISO 9001 and IATF 16949 standards, ensures full traceability, consistent quality, and on-time delivery for every precision casting project through ten streamlined stages.
1
Project Analysis & Planning
We review part specifications to customize the optimal manufacturing strategy and provide a detailed technical proposal.
2
Engineering & Simulation
Advanced 3D modeling and process simulation optimize part design for manufacturability, performance, and cost efficiency.
3
Precision Tooling Development
High-accuracy molds are fabricated using multi-axis CNC machining and rigorously tested for durability and dimensional precision.
4
Material Preparation & Melting
Certified raw materials are precision-melted in controlled furnaces to ensure alloy purity and correct pouring temperature.
5
Automated Casting Formation
Automated molding and pouring systems execute the casting process with consistent parameters for repeatable, high-integrity results.
6
Finishing & Rough Machining
Castings are cleaned, and initial machining is performed to meet preliminary dimensional and surface requirements.
7
Value Added Treatment
Specialized heat treatment and surface coatings are applied to achieve specified mechanical properties and enhanced corrosion resistance.
8
Comprehensive Quality Assurance
Each component undergoes rigorous inspection for dimensions, material integrity, and performance to verify compliance.
9
Secure Packaging & Logistics
Approved castings are protectively packaged, and integrated logistics ensure secure, on-schedule delivery to your facility.
10
Delivery & Technical Support
We provide complete documentation and dedicated after sales support to ensure successful part integration and performance.
Metal Casting Process Selection Guide
Choosing the optimal casting process is fundamental to achieving the ideal balance of part performance, cost-efficiency, and lead time. Our guide, synthesized from extensive project experience, provides a clear comparison across six key manufacturing methods.
| Casting Process | Core Technical Characteristics | Suitable Materials | Dimensional Accuracy | Surface Finish | Suitable Production Volume | Cost Level | Core Advantages |
|---|---|---|---|---|---|---|---|
| High Pressure Die Casting | High-pressure & high-speed filling, rapid solidification | Zinc, Aluminum, Copper Alloys | CT4-CT6 | 1.6-6.3 µm | High-Volume (>5,000) | ★★★★★ | Excellent production efficiency, high precision, superior surface finish. |
| Low Pressure Die Casting | Low-pressure & low-speed filling, no air entrainment | Aluminum, Magnesium Alloys | CT5-CT7 | 3.2-12.5 µm | Medium Volume (100-5,000) | ★★★★★ | High density, heat treatable |
| Vacuum Casting | Molding in vacuum environment, no defects | Suitable for all materials | CT4-CT6 | 1.6-3.2 µm | Low to Medium Volume (1-1,000) | ★★★★★ | No porosity, top-tier density |
| Investment Casting | Wax pattern molding, high mold precision | Suitable for all materials | CT4-CT5 | 1.6-6.3 µm | Low to Medium Volume (100-5,000) | ★★★★★ | Integrated molding of complex irregular parts |
| Sand Casting | Sand mold casting, low mold cost | Cast Iron, Cast Steel, Copper Alloys | CT7-CT9 | 12.5-25 µm | All batch sizes | ★★★★★ | Suitable for large and heavy structural components |
| Die Casting | High-pressure die casting, universal precision molding | Zinc, Aluminum, Copper Alloys | CT5-CT6 | 3.2-6.3 µm | High-Volume (>5,000) | ★★★★★ | Strong versatility, high production efficiency |
High Pressure Die Casting
Core Technical Characteristics
High-pressure & high-speed filling, rapid solidification
Suitable Materials
Zinc, Aluminum, Copper Alloys
Dimensional Accuracy
CT4-CT6
Surface Finish
1.6-6.3 µm
Suitable Production Volume
High-Volume (>5,000)
Cost Level
★★★★★Core Advantages
Excellent production efficiency, high precision, superior surface finish.
Low Pressure Die Casting
Core Technical Characteristics
Low-pressure & low-speed filling, no air entrainment
Suitable Materials
Aluminum, Magnesium Alloys
Dimensional Accuracy
CT5-CT7
Surface Finish
3.2-12.5 µm
Suitable Production Volume
Medium Volume (100-5,000)
Cost Level
★★★★★Core Advantages
High density, heat treatable
Vacuum Casting
Core Technical Characteristics
Molding in vacuum environment, no defects
Suitable Materials
Suitable for all materials
Dimensional Accuracy
CT4-CT6
Surface Finish
1.6-3.2 µm
Suitable Production Volume
Low to Medium Volume (1-1,000)
Cost Level
★★★★★Core Advantages
No porosity, top-tier density
Investment Casting
Core Technical Characteristics
Wax pattern molding, high mold precision
Suitable Materials
Suitable for all materials
Dimensional Accuracy
CT4-CT5
Surface Finish
1.6-6.3 µm
Suitable Production Volume
Low to Medium Volume (100-5,000)
Cost Level
★★★★★Core Advantages
Integrated molding of complex irregular parts
Sand Casting
Core Technical Characteristics
Sand mold casting, low mold cost
Suitable Materials
Cast Iron, Cast Steel, Copper Alloys
Dimensional Accuracy
CT7-CT9
Surface Finish
12.5-25 µm
Suitable Production Volume
All batch sizes
Cost Level
★★★★★Core Advantages
Suitable for large and heavy structural components
Die Casting
Core Technical Characteristics
High-pressure die casting, universal precision molding
Suitable Materials
Zinc, Aluminum, Copper Alloys
Dimensional Accuracy
CT5-CT6
Surface Finish
3.2-6.3 µm
Suitable Production Volume
High-Volume (>5,000)
Cost Level
★★★★★Core Advantages
Strong versatility, high production efficiency
Consult our engineering team for a detailed analysis and a customized manufacturing solution for your project.
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Post-Casting CNC Machining
JS Precision provides comprehensive post-casting CNC machining solutions to meet your tightest tolerances and most complex design requirements. Our engineering team provides expert guidance to strategically determine which features to integrate during casting and which to machine post-production, optimizing part performance, cost, and lead time.
Primary Post-Casting Machining Services:
- Multi-axis Precision Machining Centers for complex 3D geometries and contouring
- High-Speed Machining (HSM) for efficient material removal and fine surface finishes
- CNC Turning & Milling for complete rotational and prismatic part features
- Wire EDM for intricate details and tight tolerances
- Surface Grinding & Finishing for superior final part quality
JS Precision:Precision Metal Casting Manufacturer
From prototyping to full-scale production runs, JS Precision delivers high-integrity custom metal castings for demanding industrial applications. Our advanced foundry integrates investment, sand, and die casting processes, supported by in-house post-casting CNC machining, to ensure dimensional accuracy, material performance, and reliable supply chain solutions.
With ISO 9001 certified quality management, a ≤1.2% defect rate, and a global clientele of 1,200+, we guarantee that your components are manufactured to the highest industry standards, on schedule, and to your exact specifications.
98.8%
On-Time Delivery
200,000+
Castings Delivered
1,200+
Global Clients
Precision Casting Foundry in Dongguan
High-Pressure Die Casting Facility in Shenzhen
Investment Casting Center in Shenzhen
Heat Treatment Workshop in Dongguan
Metal Casting Full-Process Quality Inspection and Control System
JS Precision implements a rigorous, closed-loop quality management system that monitors every stage of production—from raw material certification to final shipment. Our certified processes ensure every casting meets precise dimensional, mechanical, and performance specifications.
Advanced Inspection Technology
Our quality labs are equipped with optical comparators, 3D scanners, and automated CMMs to validate complex geometries. Every component undergoes systematic verification before release.
Certified Quality Standards
JS Precision maintains a first-pass yield exceeding 95% through preventative process controls. Our system is certified to IATF 16949 and ISO 9001 standards, with full traceability from order to delivery.
Ready to experience precision casting with guaranteed quality?
Contact our quality engineering team to discuss your project requirements and receive a detailed inspection protocol.
Why Choose JS Precision for Custom Metal Casting Services?
Integrated Foundry & Machining
JS Precision delivers complete precision metal casting solutions with integrated secondary machining. Our in-house capabilities from mold fabrication to finishing ensure streamlined project management and shorter lead times.
Scalable Production Capacity
Our adaptive manufacturing services support every stage, from rapid prototyping to full-scale high-volume production. We tailor our processes to meet your specific timeline, volume, and quality requirements.
Flexible Order Quantities
With no mandatory minimum order quantity (MOQ), we provide cost-effective solutions for prototype development and low-volume production. This approach reduces your initial investment and supports scalable growth.
Expert Casting Design & Engineering
Our engineering team conducts thorough Design for Manufacturability (DFM) analysis for casting projects. We provide detailed quotes and practical design optimization to enhance part quality and manufacturing efficiency.
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Advantages of Metal Casting
Metal casting bridges the gap between design and production, enabling the efficient creation of complex, high-performance components in real materials. This process directly solves fundamental manufacturing challenges of complexity, performance, and cost.
Engineer Complex, Integrated Geometries
Produce intricate, net-shape or near-net-shape parts that consolidate assemblies. Achieve sophisticated internal features and organic forms difficult with other methods, reducing part count and assembly time.
Select from Superior Material Properties
Utilize a vast range of ferrous and non-ferrous alloys to meet exact mechanical, thermal, and corrosion-resistance requirements. Achieve exceptional strength-to-weight ratios and performance integrity for demanding operational environments.
Scale Production with Cost Efficiency
Leverage excellent economies of scale from prototype to high-volume runs. Optimize project economics through efficient material use, minimal waste, and reduced secondary machining for complex parts.
Applications of Metal Casting
Metal casting enables the production of high-integrity components critical for demanding sectors, solving core challenges of structural performance, complex design, and reliable volume manufacturing.
Automotive & Aerospace Components
Produce strong, lightweight engine and structural parts. The process enables complex designs and high-performance material properties for safety-critical applications.
Heavy Machinery & Energy Parts
Manufacture large, wear-resistant components for construction and industrial equipment. Achieve the durability and longevity required for operation in extreme environments.
Medical & Precision Device Parts
Create complex, high-tolerance components for surgical instruments and devices. Meet stringent requirements for surface finish, dimensional accuracy, and material compliance.
Metal Casting Latest News
Stay informed with the latest updates and announcements from JS Precision. Learn about our most recent projects.
Metal Casting FAQs
Investment casting delivers exceptional dimensional accuracy and superior surface finishes for complex geometries. This process produces parts with fine details and thin walls, reducing secondary machining needs. It supports various alloys, making it ideal for aerospace, automotive, and medical applications where precision is critical.
Selection depends on part size, complexity, volume, and budget. Sand casting is cost-effective for large, heavy components and low to medium production runs. For high-precision, intricate parts, investment or die casting may be preferable. Our engineering team provides data-driven process recommendations during project analysis.
Defects often stem from improper mold design, incorrect pouring temperatures, or inadequate venting. We implement controlled melting, real-time temperature monitoring, and optimized gating systems to minimize issues. Our quality assurance includes non-destructive testing to ensure component integrity.
A356 aluminum alloy is widely preferred for structural components due to its excellent strength-to-weight ratio and castability. It responds well to heat treatment, enhancing mechanical properties. We help select alloys based on your specific performance requirements and industry standards.
We maintain ISO 9001-certified quality management with multi-stage inspections. Our process includes raw material verification, in-process monitoring, and final dimensional checks using CMM and 3D scanning. This systematic approach ensures consistent performance and compliance with specifications.
Submit 2D drawings with tolerances or 3D models, material specifications, quantity requirements, and application details. Including quality expectations and surface treatment needs helps us provide an accurate proposal. Early design consultation ensures manufacturability and cost efficiency.
Yes, our engineering team provides Design for Manufacturability analysis to improve castability, reduce weight, and minimize costs. We suggest modifications to wall thickness, draft angles, and material selection while maintaining part functionality. Early collaboration prevents costly revisions later.
Prototype lead times average 2-4 weeks, while production runs typically require 5-7 weeks. Timelines depend on part complexity, tooling requirements, and quantity. We offer accelerated options for urgent projects without compromising quality standards.
