Precision CNC Machining & Rapid Prototyping

ISO9001 & RoHS Certified Manufacturer Offering CNC Turning, Milling, Injection Molding, 3D Printing, and Sheet Metal Fabrication Services — Fast Turnaround, High Precision, Global Delivery.

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24-Hour Turnaround

Rapid prototyping and production parts in as fast as one day.

±0.005mm Tolerance

Ultra-precise CNC machining for mission-critical components.

Worldwide Shipping

Serving clients across Africa, Americas, Asia, Europe, and Oceania.

About Ningbo Rongna Technology

As a leading manufacturer based in Ningbo, Zhejiang, China, we specialize in high-precision CNC machining, injection molding, 3D printing, and rapid prototyping services. With over a decade of experience, we deliver quality-engineered parts to industries including automotive, aerospace, medical, and consumer electronics.

Our state-of-the-art facility is equipped with advanced CNC machines, 3D printers, and injection molding systems, enabling us to produce complex components with tight tolerances and superior surface finishes. We are ISO9001, ISO14001, RoHS, and CE certified, ensuring compliance with international standards.

ISO9001 Certified RoHS Compliant CE Marked Global Exporter

Our Core Services

From concept to production, we offer end-to-end manufacturing solutions with precision, speed, and reliability.

CNC Machining

High-precision milling and turning for metal and plastic components with tolerances down to ±0.005mm.

• 3-axis, 4-axis, 5-axis CNC
• Aluminum, Steel, Brass, Plastics
• Fast turnaround: 24–72 hours

Injection Molding

Custom plastic parts with high repeatability and surface quality for low to high-volume production.

• ABS, PC, PP, Nylon, POM
• Mold design & fabrication
• 1K & 2K molding available

3D Printing

Rapid prototyping using SLA, SLS, and metal 3D printing (SLM/DMLS) technologies.

• Resin, Nylon, TPU, Metal
• Functional prototypes & end-use parts
• Support-free complex geometries

Sheet Metal Fabrication

Laser cutting, bending, welding, and finishing for enclosures, brackets, and chassis.

• Steel, Aluminum, Stainless Steel
• Powder coating, anodizing
• Prototypes to mass production

Custom Rapid Prototyping

Turn your CAD designs into physical prototypes in days — perfect for testing and validation.

• CNC, 3D printing, molding
• Design for manufacturability (DFM)
• Iterative development support

CNC Turning

Precision turned parts with excellent surface finish and concentricity for shafts, pins, and fittings.

• Diameter: 1mm–300mm
• Bar feeding & chucking
• Multi-axis live tooling

CNC Milling

Complex geometries and tight tolerances using 3-axis and 5-axis milling centers.

• High-speed machining
• Deep cavities & undercuts
• Aluminum, steel, titanium

Metal 3D Printing (SLM/DMLS)

Additive manufacturing for complex metal parts with internal channels and lightweight structures.

• Stainless steel, titanium, aluminum
• Aerospace & medical applications
• Post-processing included

Why Choose Service-Machining?

We combine cutting-edge technology with decades of manufacturing expertise.

Advanced Equipment

Latest CNC, 3D printing, and molding machines for superior quality and speed.

Certified Quality

ISO9001, ISO14001, RoHS, CE, and more — we meet global compliance standards.

Fast Turnaround

Prototypes in 24 hours, production parts in under a week — no delays.

Global Reach

Serving clients in Africa, Americas, Asia, Europe, and Oceania with reliable shipping.

Frequently Asked Questions

What materials do you work with?

We process aluminum, steel, stainless steel, brass, copper, titanium, and various engineering plastics including ABS, PC, POM, PP, and nylon.

What file formats do you accept?

We accept STEP, IGES, STL, DWG, DXF, and native CAD files (SolidWorks, AutoCAD, Fusion 360, etc.).

What is your lead time?

Rapid prototypes in 24–72 hours. Production parts typically ship within 5–7 business days depending on complexity.

Do you offer design support?

Yes, our engineering team provides DFM (Design for Manufacturability) feedback and optimization suggestions at no extra cost.

Get in Touch

Have a project in mind? Contact us today for a fast quote and expert support.

Contact Information

Representative: Ms. Jewel

Phone: +86-0574-62520922

Email: jewel@rong-na.net

Address: No.69 ZiLin Road, YuYao, Ningbo, Zhejiang, China

Website: service-machining.com

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