Shenzhen Rishenglong Co., Ltd.
                                                                                                           
Verified Supplier
4 Years
Since 2022
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Custom Investment Casting Auto Parts Oem Replacement Car Parts CNC Machining Engine Components

Price Negotiable
Price: 0.5-15$
MOQ: 100
Delivery Time: 7-15days
Brand: HUARONGDA
Product Description
Custom Engine Components – Casting & CNC Machining (IATF 16949, ±0.02mm Tolerance)
Technical Specifications
Parameter Specification
Certifications IATF 16949, ISO 9001
Materials Aluminum alloys (A380, A356, ADC12), ductile iron, stainless steel, specialty alloys on request
Casting Methods High-pressure cold- & hot-chamber die casting; squeeze casting for near-forged density
Secondary Machining 3- to 5-axis CNC milling & turning, EDM, grinding, drilling, tapping
Dimensional Tolerance ± 0.02 mm (standard post-machining)
Surface Roughness Ra 0.4-0.8 µm
Maximum Part Size Up to 600 × 400 × 300 mm
Part Weight Range 0.05-10 kg
Surface Finishes Anodizing, powder coating, PVD plating, zinc/chrome plating, bead-blasting, chemical passivation
File Formats Accepted 2D: DWG, DXF, PDF; 3D: STEP, IGES, STL
Minimum Order Quantity 1 piece (prototype); scalable to mass production
Lead Time Prototype: 7-10 days; Production: 15-25 days
Quality Control 100% CMM inspection, SPC monitoring, X-ray porosity testing, tensile & hardness testing
 
Key Advantages
  • Automotive-Grade Assurance
    Fully IATF 16949 and ISO 9001 certified processes guarantee compliance with the most stringent industry standards.
  • Ultra-Tight Accuracy
    CNC machining to ± 0.02 mm ensures perfect mating surfaces, sealing faces, and bearing journals.
  • Integrated In-House Workflow
    From mold design and die casting to CNC machining, heat treatment, and finishing—no third-party delays.
  • High-Performance Materials
    Squeeze casting option yields near-forged density; aluminum alloys deliver superior strength-to-weight ratios.
  • Rapid Prototype to Production
    Validate with a single prototype; seamlessly ramp to thousands of parts without changing vendors.
  • Comprehensive QC & Reporting
    Every batch includes detailed CMM reports, porosity scans, and full material certifications.
 
Industry Trends
  • Hybrid Casting-Additive Techniques
    Embedding 3D-printed cores in conventional molds enables complex cooling and oil-channel geometries.
  • Next-Gen Alloys & Coatings
    Adoption of Al-Li and metal-matrix composites alongside ceramic/DLC coatings for extreme wear resistance.
  • Smart Factory Integration
    IoT-enabled presses and CNC centers feed real-time data into AI systems for predictive maintenance and zero-defect yields.
  • Sustainable Circular Production
    Closed-loop coolant systems, recyclable lubricants, and scrap-reduction strategies minimize environmental footprint.
 
Common Applications
  • Automotive Powertrains
    Cylinder heads, transmission housings, oil pump bodies, turbocharger compressor covers.
  • Motorsports & Performance
    Lightweight pistons, custom intake manifolds, brake caliper brackets, performance-grade engine mounts.
  • Industrial Engines & Generators
    Robust pump housings, valve bodies, mounting flanges for diesel and gas power units.
  • Marine & Off-Road
    Corrosion-resistant crankcase halves, impeller covers, differential housings.
  • Hybrid & Electric Drive Systems
    Structural battery housings, motor end-bells, heat-sink manifolds with integrated fluid channels.
 
Frequently Asked Questions
What is the minimum order quantity?
A single prototype part; subsequent production volumes can scale from dozens to tens of thousands.
Which CAD formats do you support?
2D: DWG, DXF, PDF; 3D: STEP, IGES, STL.
How tight are your tolerances and finishes?
Standard machining tolerance is ± 0.02 mm with surface finishes down to Ra 0.4 µm; custom requirements accommodated.
Do you handle both casting and CNC machining in-house?
Yes—our vertically integrated facility covers die casting, CNC machining, heat treatment, and finishing for turnkey delivery.
What quality documentation is provided?
Every order ships with material test certificates and full inspection reports (CMM, X-ray, SPC).
What is the typical lead time?
Prototypes in 7-10 days; production batches in 15-25 days after tooling approval.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Rishenglong Co., Ltd.
Location Room 101, Building B, Depu Electronics City, Shangxing South Road, Shangxing Community, Xinqiao Street, Shenzhen, Guangdong, China
Contact Person Lily

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