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Precision Aluminum Casting
Engineered to Perfection

OEM/ODM gravity casting, CNC machining & surface treatment for automotive, aerospace, medical, and industrial applications. Tolerance down to ±0.01mm, Ra0.8 surface finish, and full quality control.

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Who We Are

Dongguan Aluminum Dewang Hardware Products Co., Ltd. – A trusted Chinese manufacturer of high-quality aluminum casting parts since 2018.

China's Leading Aluminum Casting Supplier

Established in 2018 and located in Qiaotou Town, Dongguan City, Guangdong Province, we specialize in precision aluminum alloy castings using gravity, low-pressure, and investment casting techniques.

With in-house design, mold-making, CNC machining, and surface treatment capabilities, we deliver fully customized solutions for global clients in automotive, aerospace, medical, and industrial sectors.

0.01mm
Tolerance Precision
Ra0.8
Surface Roughness
OEM/ODM
Custom Development
100%
Quality Inspection
CNC Machined Aerospace Components Polished Engine Parts Gravity Casting with Anodizing Magnesium Alloy Castings

Why Choose Us?

High Quality

Strict quality control system, professional test lab, RoHS compliance, and 100% inspection using CMM, projectors, and salt spray testers.

Advanced Manufacturing

Equipped with automatic casting machines, CNC centers, and full process control for consistent, high-precision output.

Design & Development

In-house design team supports OEM/ODM projects from concept to mass production with CAD/IGS/STP file support.

Full Service

Custom packaging, FOB/CIF/DDP shipping, and responsive support for bulk and small orders.

Our Top Products

Precision-engineered casting components for diverse industrial applications

Customized Brass Casting Parts

Customized Brass Casting Parts

  • Weight: 0.5–50kg
  • Standard: Non-standard
  • Process: Polishing + CNC Machining
  • Quality: Professional Inspection
Get Best Price
Ra0.8 Precision Casting Components

Ra0.8 Precision Casting Components

  • Surface Roughness: Ra0.8
  • Surface Treatment: Polishing
  • Forming: Investment Casting
  • Material: Metal Alloy
Get Best Price
Zinc Alloy Gravity Casting Parts

Zinc Alloy Gravity Casting Parts

  • Tolerance: ±0.01mm
  • Surface: Polishing + Powder Coating
  • Inspection: CMM, Projector, Hardness Tester
  • Formats: PDF, CAD, IGS, STP
Get Best Price
Automotive Copper Alloy Castings

Automotive Copper Alloy Castings

  • Size: Customized
  • Surface: Polishing
  • Packaging: Carton, Wooden Case, Pallet
  • Quality: Professional Inspection
Get Best Price
Anti Corrosion Casting Machine Parts

Anti-Corrosion Casting Machine Parts

  • Surface Roughness: Ra0.8
  • Process: CNC Machining + Investment Casting
  • Material: Metal Alloy
  • Application: Industrial Machinery
Get Best Price
Industrial Mechanical Gravity Die Casting Parts

Industrial Mechanical Gravity Die Casting

  • Application: Machinery Parts
  • Service: OEM
  • Standard: Non-standard
  • Treatment: Annealing Heat Treatment
Get Best Price
Alloy Precision Casting Parts

Alloy Precision Casting Parts

  • Surface Roughness: Ra0.8
  • Treatment: Polishing + Annealing
  • Process: Gravity Casting
  • Finish: High Precision
Get Best Price
High Precision Gravity Casting Machinery Parts

High Precision Gravity Casting Machinery Parts

  • Dimension: Customized
  • Roughness: Ra0.8
  • Standard: Non-standard
  • Use: Industrial Equipment
Get Best Price
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Capabilities & Services

OEM/ODM Design

Full product development support from 2D/3D design to prototype and mass production.

Strict Quality Control

CMM, hardness testing, salt spray, and 100% inspection for every batch.

Surface Treatments

Anodizing, polishing, powder coating, plating, and heat treatment (annealing).

Global Shipping

FOB, CIF, DDU, DDP. Custom packaging and logistics support.

Trusted by Global Clients

2018
Founded
50kg
Max Weight
±0.01mm
Tolerance
Ra0.8
Surface Finish

Frequently Asked Questions

What casting processes do you offer?

We specialize in gravity casting, low-pressure casting, investment (lost wax) casting, and CNC machining for aluminum, zinc, magnesium, and copper alloys.

What is your minimum order quantity (MOQ)?

We support both bulk and small customized orders. MOQ depends on part complexity and material, but we are flexible for prototyping and low-volume production.

Can you handle custom designs?

Yes. Our in-house design team works with CAD, IGS, STP, X_T, and PDF files to develop OEM/ODM solutions tailored to your specifications.

What surface treatments are available?

We offer polishing, anodizing, powder coating, plating, painting, and heat treatments like annealing and normalizing.

How do you ensure quality?

Every batch undergoes professional inspection using CMM, projectors, hardness testers, and salt spray testing. We follow strict RoHS and internal QC protocols.

Get in Touch

Ready to start your project? Contact us for a quote or technical consultation.

Contact Information

Company: Dongguan Aluminum Dewang Hardware Products Co., Ltd.

Contact: Hu

Phone: 13509684273

WhatsApp: +8613509684273

Email: [email protected]

Location: Qiaotou Town, Dongguan City, Guangdong Province, China

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