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Precision CNC Machining &
Die Casting Services

Custom metal parts, rapid prototyping, low-volume production, and high-precision machining in Shenzhen. Trusted by global innovators in automotive, aerospace, medical, and industrial sectors.

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Why Choose CNC-Machining-SZ?

We deliver high-quality, cost-effective custom machining and die casting solutions with fast turnaround and no MOQ.

Advanced Manufacturing in Shenzhen

With over 1,800 unique product developers served and more than 100,000 printed parts produced monthly, we are a trusted partner for global brands including Audi, Porsche, VW, ZTE, Lenovo, Philips, and GE.

Our capabilities include CNC milling, rapid prototyping, aluminum, zinc, and magnesium die casting, sand casting, heat sinks, and full assembly & testing. We offer 60% cost savings compared to Europe and U.S. suppliers.

  • 24-hour online quote
  • 3–10 days for prototypes
  • 10–30 days for molds & parts
  • No MOQ – 1 to 1,000+ pcs
  • TS16949, D&B Approved, PPAP
CNC Machining Part Die Casting Mold Aluminum Die Casting Metal Finishing
45
Countries Served
2.1M
Molded Parts/Month
75K+
Machined Parts/Month
60%
Cheaper than EU/US

Our Capabilities

CNC Machining

High-precision CNC milling and turning for aluminum, steel, brass, and plastics. Ideal for prototypes and low-volume production.

Die Casting

Aluminum, zinc, and magnesium die casting with mold life up to 1,000,000 cycles. Suitable for complex, thin-walled parts.

Rapid Prototyping

From 3D design to physical part in 3–10 days. Perfect for testing form, fit, and function before mass production.

Heat Sinks

Custom aluminum heat sinks for electronics, LED lighting, and power systems. Optimized for thermal performance.

Metal Finishing

Anodizing, plating, powder coating, polishing, and brushing for enhanced durability and aesthetics.

Low Volume Casting

Sand casting and die casting for 1–1,000+ units. No MOQ, fast turnaround, and full QA support.

Our Product Range

Aluminum Die Casting

Aluminum Die Casting

ADC12, A380, YL102 alloys. Used in automotive, aerospace, and electronics enclosures.

  • • Mold life: 100,000–1,000,000 cycles
  • • Wall thickness: 1.5–6mm
  • • Tolerance: ±0.1mm
Zinc Die Casting

Zinc Die Casting

Zamak-3, Zamak-5 alloys. High strength, excellent surface finish for connectors and housings.

  • • Ideal for thin-walled parts
  • • High dimensional accuracy
  • • Easy plating and coating
Magnesium Casting

Magnesium Casting

ADZ91 alloy. Lightweight, strong, and corrosion-resistant. Used in drones and portable devices.

  • • 35% lighter than aluminum
  • • Excellent EMI shielding
  • • High strength-to-weight ratio
CNC Milling Part

CNC Milling Parts

Precision-machined components from aluminum, steel, brass, and plastics.

  • • 3-axis, 4-axis, 5-axis
  • • Tolerance: ±0.05mm
  • • Surface finish: Ra 0.8–3.2μm
Heat Sink

Custom Heat Sinks

Extruded or die-cast aluminum heat sinks for LED, power electronics, and industrial cooling.

  • • Thermal optimization
  • • Anodized or black coated
  • • Mounting holes pre-drilled
Medical Device Part

Medical Device Components

High-precision, clean, and biocompatible parts for diagnostic and surgical equipment.

  • • ISO 13485 compliant
  • • Sterilization-ready
  • • Tight tolerances
Automotive Part

Automotive Die Castings

Engine components, brackets, sensors, and housings for EVs and ICE vehicles.

  • • TS16949 certified
  • • PPAP documentation
  • • Vibration and heat resistant
Aerospace Part

Aircraft Components

Lightweight, high-strength parts for avionics, interiors, and structural systems.

  • • FAA and MIL-SPEC compliant
  • • High fatigue resistance
  • • Precision machining

Frequently Asked Questions

What materials do you work with?

We use aluminum alloys (ADC12, A380, A360), zinc alloys (Zamak-2 to 5), magnesium (ADZ91), and various steels and plastics. Cavity/core materials include 8407, H13, NAK80, SKD61, and S136.

What is your lead time for prototypes?

Prototypes are typically delivered in 3–10 days depending on complexity and finishing requirements.

Do you offer low-volume production?

Yes, we support 1 to 1,000+ units with no minimum order quantity (MOQ). Ideal for startups and product testing.

Are you certified for automotive or medical?

Yes, we are TS16949 certified for automotive and support PPAP documentation. We also produce medical-grade parts with clean processes.

How do I get a quote?

Visit cnc-machining-sz.com to upload your design and get a 24-hour online quote.

Ready to Start Your Project?

Get a free project review and 24-hour quote from our engineering team.

Visit Official Website

No contact form. All inquiries handled through the official website.

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