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

About Dongguan YYI Technology Co., Ltd

At Dongguan YYI Technology Co., Ltd., we are dedicated to transforming your concepts into tangible innovations. With over 20 years of industry experience, our company has evolved into a leading provider of rapid prototyping and low-volume manufacturing solutions. We specialize in delivering high-quality, customized products across various industries, ensuring that each project meets the unique needs of our clients.

Our Facilities

Our state-of-the-art facilities are equipped with over 220 3D printing devices, including SLS, SLA, MJF, FDM, and PolyJet printers, as well as 10 SLM metal printing machines. Our injection molding workshop houses 50 injection molding devices, and our CNC machining workshop is equipped with 40 CNC machines. Additionally, our post-processing and quality inspection departments are staffed with over 60 professionals, ensuring that every product undergoes thorough inspection and finishing processes.

Why Choose YYI Tech?

Integrated Solutions: With over two decades of experience and a team of more than 20 professional engineers, we develop comprehensive solutions tailored to optimize cost-effectiveness and meet customer requirements.

One-Stop Service: From 3D drawing creation to rapid prototyping, small batch production, post-processing, and final inspection, we provide a seamless experience for our clients.

Customer-Centric Approach: We prioritize our clients' needs, responding quickly and efficiently to ensure the successful development and delivery of your products.

Industry Expertise: We serve a diverse range of industries, including automotive, medical equipment, industrial models, intelligent robots, smart home appliances, aviation, shipbuilding, and tooling fixtures.

Our Vision

Our vision is to be a trusted partner in your product development journey, delivering innovative solutions that accelerate time-to-market and enhance product quality. We are committed to continuous improvement and innovation, striving to exceed our clients' expectations and contribute to their success.