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Precision Prototyping &
Small Batch Manufacturing

With over 20 years of experience, Shenzhen Great Jump Technology Co., Ltd. delivers rapid, high-quality prototypes and low-volume production for global industries — from automotive to aerospace, medical to robotics.

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20+

Years of Experience

50K+

Projects Delivered

98%

On-Time Delivery

100%

Customer Satisfaction

About GJ-Proto

Shenzhen Great Jump Technology Co., Ltd. is a premier rapid prototyping manufacturer with over two decades of excellence. As a trusted partner in precision manufacturing, we specialize in turning innovative ideas into tangible, high-performance prototypes and small-batch productions.

With 60% of our engineering team holding senior-level expertise and operating under ISO9001:2015 standards, we ensure every component meets the highest quality benchmarks. Our CEO, Mr. Weng — a former CNC operator — instills a culture of uncompromising quality, where precision is not just a goal, but a promise.

  • 5-Axis CNC Machines
  • ISO9001:2015 Certified
  • In-House QC with CMM, XRF, OES
  • Factory Direct Pricing
Factory Floor

Why Choose Us?

We combine advanced technology, rigorous quality control, and decades of experience to deliver unmatched manufacturing excellence.

Quality Assurance

10 QC personnel with over 10 years of experience. Equipped with CMM, XRF, OES, and quadratic element measurement systems.

Advanced Equipment

5-axis CNC machines, injection molding, die casting, and full digital workflow for precision and repeatability.

Cost Efficiency

Direct factory pricing with optimized material sourcing and lean production processes to reduce your costs.

After-Sales Support

24-hour feedback response. We actively assume responsibility for any issues. Contact Manager: Becky Luo.

Our Services

From concept to production, we offer end-to-end prototyping and low-volume manufacturing solutions.

CNC Machining

CNC Machine Service

High-precision 5-axis CNC machining for complex metal and plastic parts. Ideal for functional prototypes and small-batch production.

  • Materials: Aluminum, Steel, Brass, Plastics
  • Tolerance: ±0.005mm
  • Surface Finishes: Anodizing, Plating, Painting
Sheet Metal

Sheet Metal Pressing

Laser cutting, bending, welding, and assembly for durable sheet metal components used in industrial and electronic enclosures.

  • Materials: Steel, Aluminum, Stainless Steel
  • Thickness: 0.5mm – 6mm
  • Processes: Punching, Bending, Tapping
3D Printing

3D Printing Service

Rapid iteration with SLA, SLS, and FDM technologies. Perfect for visual models, fit checks, and functional testing.

  • Technologies: SLA, SLS, MJF, FDM
  • Materials: Resin, Nylon, ABS, TPU
  • Max Build Size: 500 x 500 x 600 mm
Silicone Molding

Silicone Molding

Ideal for low-volume production of rubber-like parts. Used in medical devices, seals, and consumer products.

  • Material: Platinum-cure silicone
  • Shore Hardness: 10A – 80A
  • Batch Size: 1 – 100 units
Injection Molding

Injection Molding

Fast turnaround for high-quality plastic parts. Steel or aluminum molds for 100–10,000+ units.

  • Materials: ABS, PC, PP, PA, POM
  • Mold Life: 10K – 100K shots
  • Lead Time: 2–4 weeks
Die Casting

Die Casting

High-pressure casting for durable metal parts. Commonly used in automotive and industrial applications.

  • Materials: Zinc, Aluminum, Magnesium
  • Tolerance: ±0.1mm
  • Surface: Smooth, ready for plating

Serving Global Industries

We support innovation across sectors with tailored prototyping and manufacturing solutions.

🚗

Automotive

Engine components, sensors, brackets, and interior prototypes.

✈️

Aerospace

Lightweight, high-strength parts for drones, satellites, and aircraft systems.

🏥

Medical

Compliant, biocompatible devices, housings, and surgical tools.

🤖

Robotics

Precision gears, joints, frames, and sensor mounts.

🔌

Electronics

Enclosures, heat sinks, connectors, and PCB supports.

🎥

Video & Optics

Housings for cameras, lenses, and optical alignment components.

🌐

Fiber Optics

Precision alignment fixtures and protective housings.

🏭

Industrial

Machinery parts, tooling, and custom automation components.

Frequently Asked Questions

What is a prototype?

A prototype is an early version of a product used to test and refine design, functionality, and manufacturability before mass production.

When do you need prototyping?

Prototyping is essential during product development to validate concepts, test ergonomics, and identify design flaws early — saving time and cost.

What materials can you work with?

We support a wide range: aluminum, steel, brass, stainless steel, plastics (ABS, PC, Nylon), silicone, and more — based on your application.

What is your lead time?

Typical lead times: CNC (3–7 days), 3D printing (1–3 days), injection molding (2–4 weeks). Rush services available.

Are you ISO certified?

Yes, we operate under ISO9001:2015 quality management system to ensure consistent quality and process control.

Get in Touch

Have a project in mind? Reach out to us for a fast quote and expert guidance.

Phone: +86-18929471806

Email: [email protected]

Manager: Becky Luo (After-Sales)

For inquiries, quotes, or technical support, visit our official website to contact the team directly.

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