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Metal and Plastic Manufacturing

Precision Metal & Plastic Manufacturing

OEM/ODM solutions for casting, forging, CNC machining, injection molding, fasteners, springs, and custom components — all made to your exact specifications.

About Ningbo Sunyer

Ningbo Sunyer Machinery Co., Ltd. is a professional manufacturer specializing in a wide range of metal and plastic products. With years of experience in production and processing, we deliver high-quality components tailored to your engineering needs.

Our capabilities span casting, forging, stamping, CNC machining, aluminum extrusion, injection plastic, plastic molds, and more. We also supply fasteners, springs, rubber products, lawn spindles, and electronic components — all customizable to your drawings or samples.

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Factory Production

Our Product Range

From precision metal parts to complex plastic components, we offer a comprehensive portfolio of engineered solutions for industrial, automotive, and consumer applications.

Casting Products

High-precision castings in ductile iron, gray iron, aluminum, and bronze. Ideal for heavy machinery and automotive applications.

  • Materials: Ductile Iron, Gray Iron, Aluminum
  • Weight Range: 0.1kg – 50kg
  • Surface Finish: As-cast, Machined, Coated

Forging Products

Durable forged components with superior strength-to-weight ratios. Used in high-stress mechanical systems.

  • Materials: Carbon Steel, Alloy Steel, Stainless Steel
  • Processes: Open-die, Closed-die
  • Heat Treatment: Quenching, Tempering

CNC Machining

Precision CNC-machined parts with tight tolerances. Suitable for prototypes and high-volume production.

  • Materials: Aluminum, Steel, Brass, Plastic
  • Tolerance: ±0.005mm
  • Processes: Milling, Turning, Grinding

Injection Plastic

High-quality plastic parts using advanced injection molding. Ideal for consumer electronics and industrial enclosures.

  • Materials: PP, PE, POM, PC, ABS
  • Mold Life: 100,000+ cycles
  • Color: Custom Pantone Matching

Plastic Molds

Custom plastic injection molds with high durability and precision. Designed using CAD/SolidWorks.

  • Design: CAD/SolidWorks
  • Materials: P20, 718H, S136
  • Lead Time: 4–8 weeks

Fasteners & Springs

Custom bolts, nuts, washers, and springs for mechanical assemblies. Available in stainless steel and brass.

  • Standards: ISO, DIN, ANSI
  • Finishes: Zinc, Nickel, Passivated
  • Custom Designs Available

Aluminum Extrusion

Custom aluminum profiles for structural and thermal applications. Anodized or powder-coated finishes.

  • Alloys: 6061, 6063, 7075
  • Finishes: Anodized, Powder Coating
  • Length: Up to 6 meters

Customized Parts

Fully customized components based on your drawings or samples. No MOQ. Fast turnaround.

  • No Minimum Order Quantity
  • Prototypes in 7–10 days
  • Materials: Metal, Plastic, Rubber
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Why Choose Us?

We stand out in the competitive Chinese manufacturing landscape with unmatched service, quality, and flexibility.

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Competitive Price

Direct factory pricing with no middlemen. Cost-effective solutions without compromising quality.

High Quality

Strict quality control with advanced inspection equipment. ISO-compliant processes.

On-Time Shipment

Reliable logistics and production planning ensure your orders arrive when promised.

Quick Response

Dedicated sales team responds within 24 hours. Fast quotes and technical support.

10+
Years Experience
50+
Global Clients
1000+
Custom Parts
0
MOQ Required

Frequently Asked Questions

What materials do you work with?

We handle a wide range of materials including carbon steel, alloy steel, stainless steel, ductile iron, gray iron, copper, brass, bronze, aluminum, zinc, and plastics like PP, PE, POM, PC, and ABS.

Can you produce parts from my drawings or samples?

Yes, all our products are customized according to your drawings or physical samples. We support STEP, IGS, DWG, and PDF formats.

Do you offer prototyping services?

Yes, we provide rapid prototyping using CNC machining and 3D printing. Prototypes typically ready in 7–10 days.

Is there a minimum order quantity (MOQ)?

No, we offer flexible production with no MOQ. Whether you need one prototype or mass production, we can accommodate.

What is your production lead time?

Lead times vary by product and volume. Typically, 15–30 days for production after sample approval. Urgent orders can be expedited.

Get in Touch

Ready to start your project? Contact us today for a fast quote and technical consultation.

+86-13616561409 (Michael Brown)
Ningbo 315105, China
WhatsApp: michael.z.brown

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