Die Casting Manufacturer | Aluminum Die Casting & Precision CNC Machining

About Reigstone

Reigstone is a leading aluminum die casting manufacturer and precision CNC machining supplier based in China. Since 2002, we have delivered uncounted high-quality die casting and machining parts to clients across the globe, including Italy, Germany, Spain, France, Switzerland, USA, Canada, and New Zealand.

As an ISO 9001:2008 certified factory, we specialize in producing complex components such as gearbox housings, motor housings, valve bodies, and LED heat sinks with exceptional precision and durability.

20+

Years Experience

150+

Products

30+

Countries Served

100%

Quality Control

Our Products

We offer a wide range of aluminum die casting and precision machining parts for various industries. All products are manufactured with high precision, smooth surface finish, and long-lasting service life.

Die Cast Heat Sink

Used for LED light. Good thermal conductivity. Light weight ratio.

• Material: A380, ADC-12
• Application: LED Lighting
• Features: High thermal conductivity
• Tolerance: CT-5 (ISO-8062)

Electric Motor Housing

Strong mechanical properties. Smooth surface. Long-lasting service life.

• Material: AlSi9Cu3, ADC-12
• Application: Electric Motors
• Features: High strength, corrosion resistant
• Weight: 0.3kg - 2.5kg

Gearbox Housing

High complexity configuration. No porosity. Precision tolerance.

• Material: ADC-12, A380
• Application: Automotive, Industrial
• Features: High strength, leak-proof
• Tolerance: CT-5 (ISO-8062)

Aluminum Enclosure

Lightweight, solid construction. Smooth surface. Various configurations.

• Material: ADC-12, AlSi9Cu3
• Size: Customizable
• Weight: 0.13kg - 1.5kg
• Tooling: 1-4 cavities

Valve Body

Precision casting. No porosity. High pressure resistance.

• Material: ADC-12, A360
• Application: Hydraulic, Pneumatic
• Features: Leak-proof, durable
• Pressure Rating: Up to 3000 PSI

LED Housing

Excellent heat dissipation. Corrosion resistant. Long service life.

• Material: ADC-12, A380
• Application: Outdoor Lighting
• Features: IP65 rated, UV resistant
• Surface: Anodized, Powder coated

Precision CNC Machining

Tight tolerance. Smooth surface. Fast delivery. Various materials.

• Materials: Aluminum, Iron, Steel
• Tolerance: ±0.01mm
• Process: Milling, Turning, Drilling
• Surface Finish: Ra 0.8μm

Aluminum Auto Parts

Lightweight components for automotive industry. High strength-to-weight ratio.

• Material: A380, ADC-12
• Application: EV, ICE Vehicles
• Features: Corrosion resistant
• Standards: ISO/TS 16949

View All 150+ Products

Our Services

From design to delivery, we provide comprehensive manufacturing solutions with a focus on quality, precision, and on-time performance.

Aluminum Die Casting

High-pressure die casting using advanced 280-ton machines. Materials include ADC-12, A380, and AlSi9Cu3 with CT-5 tolerance.

• 280-ton die casting machines
• Tolerance: CT-5 (ISO-8062)
• No porosity guaranteed
• 1-4 cavity tooling

Precision CNC Machining

5-axis CNC machining with tight tolerances. Capable of milling, turning, drilling, and complex geometries.

• Tolerance: ±0.01mm
• Surface Finish: Ra 0.8μm
• Materials: Aluminum, Iron, Steel
• Fast turnaround

Surface Finishing

Various surface treatments to enhance appearance, durability, and corrosion resistance.

• Anodizing (clear, black, colored)
• Powder coating
• Painting
• Passivation

Design & Engineering

Full design support from concept to production. DFM analysis and prototyping services.

• 3D modeling (SolidWorks, AutoCAD)
• DFM analysis
• Rapid prototyping
• Tooling design

Packaging Solutions

Customized packaging to ensure safe transportation and presentation of your products.

• Anti-static packaging
• Custom foam inserts
• Export-ready crates
• Retail packaging

Global Logistics

Reliable shipping and delivery worldwide with tracking and customs documentation.

• Air & sea freight
• Door-to-door delivery
• Customs clearance
• On-time delivery guarantee

Why Choose Reigstone

We offer six key advantages that ensure your manufacturing needs are met with excellence, reliability, and innovation.

One-Stop Solution

From design and tooling to casting, machining, finishing, and packaging — we handle every step in-house, reducing complexity and lead times.

High Quality

ISO 9001:2008 certified processes ensure no porosity, smooth surfaces, precise tolerances, and long-lasting service life for every component.

Industry Specialist

We specialize in LED heat sinks, gearbox housings, motor housings, and valve bodies — serving automotive, lighting, electronics, and industrial sectors.

Advanced Technology

Equipped with modern die casting machines, CNC centers, and precision measuring devices operated by skilled technicians.

On-Time Delivery

Short production cycles, advance shipment booking, and reliable courier partnerships ensure your parts arrive when you need them.

Alternative Solutions

Experienced team with a never-give-up spirit. We always have Plan B and respond quickly to challenges and changes.

Frequently Asked Questions

What materials do you use for die casting?

We primarily use ADC-12, A380, and AlSi9Cu3 aluminum alloys for die casting. These materials offer excellent fluidity, strength, and corrosion resistance suitable for complex parts.

What is your typical lead time?

For prototypes: 15-20 days. For mass production: 25-35 days after sample approval. We prioritize on-time delivery and provide regular updates.

Do you provide custom design services?

Yes, we offer full design and engineering support. Our team can assist with 3D modeling, DFM analysis, tooling design, and prototyping based on your specifications.

What quality control measures do you have?

We are ISO 9001:2008 certified with strict QC processes including raw material inspection, in-process checks, CMM measurement, and final product verification.

Can you handle small and large orders?

Yes, we accommodate both small trial orders and large-volume production runs. Our flexible manufacturing system allows efficient scaling based on your needs.

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Precision Die Casting &
CNC Machining

About Reigstone