China-Based Rapid Prototyping Company | Fast CNC & 3D Printing – YYI Tech

YYI Tech – Your Trusted Rapid Prototyping Partner in China

At YYI Tech, we specialize in rapid prototyping services that turn your product ideas into reality – quickly, accurately, and cost-effectively. Based in China, we work with clients across the globe to deliver high-quality prototypes that support everything from initial concept validation to final product development.

Whether you're a startup refining your first design or an engineer preparing for mass production, YYI Tech has the expertise, equipment, and speed to get the job done right.

Our Rapid Prototyping Solutions

CNC Machining

• High precision machining for metal and plastic prototypes

• Machining tolerance as tight as ±0.01mm

• Suitable for structural, fit, and functional testing

• Fast lead times with full inspection reports

3D Printing

• SLA, SLS, and FDM capabilities under one roof

• Perfect for fast concept models or complex designs

• Wide selection of materials including resin, nylon, and PLA

• Affordable option for quick iterations

Vacuum Casting

• Replicate master models in small volumes

• Silicone molds with fine surface details

• Ideal for pre-production samples, show models, and functional testing

Sheet Metal Prototypes

• High-quality cutting, bending, and welding

• Custom brackets, enclosures, and chassis

• Multiple surface treatments: powder coating, brushing, and anodizing

Rapid Injection Molding

• Low-cost aluminum tooling for short runs

• Production-grade thermoplastics

• Great for bridge tooling or pilot production

Why Work with YYI Tech?

• Fast Turnaround: Get parts in as little as 3–5 days

• Global Shipping: We ship to 60+ countries with tracking

• Engineering Support: DFM feedback and design suggestions

• Strict Quality Control: ISO 9001-certified processes

• Responsive Communication: English-speaking project managers

Industries We Serve

• Automotive & EV

• Consumer Electronics

• Medical Technology

• Robotics

• Aerospace

• Smart Devices

How It Works

1. Upload Your Files – Send us your 3D models (STEP, IGS, STL, etc.)

2. Quote & Review – Get a quote and free DFM review within 24 hours

3. Start Production – Approve the quote and we begin manufacturing

4. Receive Parts – Carefully packaged and quality checked