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One-Stop Die Casting Manufacturer & Supplier

Premium aluminum and zinc die-casting solutions from RuiYu – delivering high-precision components for automotive, audio, lighting, and industrial applications with over 20 years of expertise.

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About RuiYu

Aluminum Die-Casting Crankcase

Trusted Die Casting Expertise from China

Ningbo Ruiyu Metal Products Co., Ltd. is located in the southern part of Yinzhou District, Ningbo City, Zhejiang Province, China. Situated just 30 kilometers from Ningbo Port, our 3,000-square-meter facility is strategically positioned for global logistics and fast delivery.

With a skilled team of over 30 professionals and more than 20 years of industry experience, we specialize in aluminum and zinc die-casting, mold production, and comprehensive surface treatments. From initial tooling design to final shipment, we offer end-to-end manufacturing services tailored to your specifications.

  • Full in-house production control
  • ISO-compliant quality standards
  • OEM/ODM customization available
  • Rapid prototyping and tooling
Learn More About Us
3,000
Square Meters Factory
30+
Employees
20+
Years of Experience
100+
Product Categories

Our Products

Explore our wide range of precision die-cast components designed for performance, durability, and reliability across multiple industries.

Gas Valve Mould Cavity

Gas Valve Mould Cavity

High-precision aluminum die-cast mold with multi-cavity design for efficient gas valve production.

Black Painted Aluminum Speaker Frame

Black Painted Speaker Frame

Durable 18-inch aluminum die-cast speaker basket with black sand powder coating for superior acoustic performance.

Subwoofer Speaker Cone Holder

Subwoofer Speaker Cone Holder

Oversized P610-605 aluminum subwoofer basket engineered for high-fidelity audio systems.

Air Compressor Crankcase

Air Compressor Crankcase

High-quality aluminum die-cast crankcase designed for durability and thermal efficiency in air compressors.

Air Compressor Housing

Air Compressor Housing

Robust aluminum housing with precision casting for reliable performance in industrial compressors.

Automotive Compressor Valve Cover

Automotive Valve Cover

Custom die-cast aluminum valve cover for automotive air conditioning compressors with high corrosion resistance.

Silver White Powder Coated Speaker Basket

Silver White Speaker Basket

21-inch aluminum die-cast speaker frame with silver-white powder coating for premium audio equipment.

Die-Cast Aluminum Cookware

Die-Cast Aluminum Cookware

Premium 15-inch Teflon-coated baking pan with excellent heat distribution and non-stick surface.

Custom Pool Pump Housing

Custom Pool Pump Housing

Customizable aluminum die-cast housing for pool pumps with corrosion-resistant finish.

Tube Radiator

Die-Cast Tube Radiator

High-efficiency aluminum tube radiator for automotive and industrial cooling systems.

Fuel Pump Housing

Automotive Fuel Pump Housing

Aluminum alloy die-cast housing for fuel pumps with tight tolerances and leak-proof design.

Interior Mirror Bracket

Car Interior Mirror Bracket

Lightweight aluminum die-cast mounting bracket for automotive interior mirrors.

Our Services

Die Cast Tooling Design

Advanced mold design using CAD/CAM for high-precision, long-life tooling with optimized flow and cooling channels.

Aluminum & Zinc Die-Casting

In-house production with 160T–800T aluminum and 38T–168T zinc die-casting machines for high-volume, consistent output.

Machining & Assembly

CNC machining, drilling, tapping, and full assembly lines ensure precision and readiness for integration.

Surface Treatment

Comprehensive finishing: powder coating, painting, plating, electrophoresis, polishing, and shot blasting.

Global Shipment

Efficient logistics from Ningbo Port with reliable packaging and on-time delivery worldwide.

OEM/ODM Support

Full customization from prototype to mass production with strict quality control and NDA protection.

Frequently Asked Questions

What materials do you work with?

We specialize in aluminum and zinc die-casting alloys, including A380, ADC12, ZAMAK3, and custom material specifications based on application needs.

Can you handle custom designs?

Yes, we offer full OEM/ODM services. Share your drawings or samples, and we’ll provide tooling, prototyping, and production support.

What surface finishes do you offer?

We provide powder coating, painting, anodizing, plating, electrophoresis, polishing, grinding, and shot blasting based on your requirements.

What is your production lead time?

Typically 30–45 days after tooling approval, depending on order size and complexity. Prototypes can be delivered in 15–20 days.

Do you offer quality certifications?

Our processes follow ISO standards with in-house inspection using CMM, X-ray, and mechanical testing equipment to ensure compliance.

Get In Touch

We reply within 24 hours. Reach out for quotes, samples, or technical consultations.

Contact Information

  • Xianxiang Town, Yinzhou District, Ningbo City, Zhejiang Province, China
  • +86 15988614731
  • +86 15988614731
  • fangbo@133@gmail.com
  • brianfang@ry-casting.com

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