China’s Premier 3D Printing Partner
Precision 3D Printing Services for Modern Manufacturing
Click Here

China PRODUCTS

Latest Products – Learn more about our latest 3D Printing and CNC products here.

Why Choose Us

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.

YYI 3D

Our Core Advantages

  • Over 20 Years of Industry Experience With two decades of hands-on expertise, YYI Tech brings deep manufacturing knowledge and engineering insight to every project—from prototype to production.
  • Comprehensive In-House Capabilities Our advanced facilities include 220+ 3D printers, 10 metal printers, 40 CNC machines, and 50 injection molding machines—delivering unmatched production flexibility and speed.
  • One-Stop Manufacturing Services From CAD design and prototyping to small-batch production and final inspection, we offer an end-to-end solution under one roof, simplifying your development process.
  • Expert Engineering Support Our team of 20+ skilled engineers provides personalized guidance, helping you optimize designs for cost, manufacturability, and performance.
  • Uncompromising Quality Control With 60+ dedicated professionals in post-processing and inspection, every part undergoes rigorous testing to ensure precision, durability, and finish.
  • Proven Cross-Industry Expertise We support a wide range of industries—including automotive, medical, robotics, aerospace, consumer electronics, and tooling—adapting to each sector’s specific needs.

Reliable China Manufacuturer

Bring Innovation to Your Company

Let’s start the journey towards success and enhance revenue for your business.  Take your company to the next level.

Expertise in 3D Printing Solutions

At YYI Tech, we provide tailored 3D printing services that empower your product development. From concept to creation, our expert team helps you choose the best technology and materials to bring your vision to life—on time and on budget.

Precision Performance Guarantee

We believe precision is power. Every part we produce is engineered with care, quality-checked, and performance-tested—so you can move forward with confidence, knowing your product meets the highest industry standards.

Innovation Through Technical Support

Our skilled engineers are more than manufacturers—they're your technical partners. We share insights, suggest design improvements, and help accelerate your development with the latest in additive manufacturing technologies.

Full Grid with icon text

Adorn your webpage with icon text style in full grip with the shadow effect

Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast. Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast.
Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,

Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,

Nullam dictum felis eu pede mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet. Quisque rutrum.
Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,

Aenean imperdiet. Etiam ultricies nisi vel augue. Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus.
Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,

Client Testimonials

YYI Tech’s SLS parts exceeded our specs on both precision and surface finish. Their 24 hr delivery enabled us to hit our product launch.
Sophia Liu
Their medical‑grade SLA prints helped us complete our FDA submission on time. The team’s design feedback was invaluable.
Dr. Mark Chen
We’ve worked with many prototyping houses, but YYI’s turnkey service—from design review to assembly—sets them apart.
Emma Zhang

Trusted By 100 more clients

This is a space to showcase any publications your work has been featured in

Frequently Asked Questions

Help users search more about your sites and Increase your site ranking. 

What file formats do you accept?

  •  STL, STEP, IGES, OBJ, 3MF.

What’s your standard lead time?

  •  Prototypes in 24–48 hrs; small runs in 3–5 days.

Which materials are available?

  •  Nylon PA12, ABS‑like, PLA, PP, TPU, clear & tough resins, stainless steel, aluminum, titanium, and more.

How do you ensure part accuracy?

  •  In‑process monitoring, 3D scanning & inspection to ±0.01 mm tolerances.

How do you handle bulk orders?

  • For volumes above 50 pcs, lead times and pricing are negotiable. Contact us for a tailored plan.

Do you ship internationally?

•  Yes—DDP shipping to EU/US/Asia, with local warehouses to cut lead times.

A Title to Turn the Visitor Into a Lead

This is your chance to emphasize why the visitor should contact you right now.

YYI Tech
YYI Tech
YYI Tech
YYI Tech

Reliable factory for you

ZhenJiang YongLe Shoes factory 18 Years focus on snow boots manufacuture.

Factory Name:ZhenJiang YongLe Shoes
Main Products:Boots(Snow boots)
Employees:101 – 200 People
Annual Revenue:USD 4, 687, 500
Year Established:2004

CNC Machined Parts

Your One-Stop OEM CNC Machining Manufacturer

We specialize in CNC machining services for custom metal parts and plastic components, tailored for industries including automotiveroboticselectronics, and medical devices. Our manufacturing capabilities span CNC millingCNC turningsheet metal fabrication, and rapid prototyping with short lead times and high precision.

Metal Stainless Steel Aluminum Custom

About our factory

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.

YYI Tech

FEATURED PRODUCTS

What’s New – Take a closer look at our latest and greatest kitchen and bath products here.

3D Printing Service Products

This text briefly introduces visitors to your main services.

3D Full‑Color Beer Bottle Prototypes

Winter Snow Boots

A short description of the service and how the visitor will benefit from it.

Custom 3D Printed Prototype Mannequins

Heated Gloves

A short description of the service and how the visitor will benefit from it.

High Precision 3d Printed Resin SLS SLA Rapid Prototype

Solor Panel

A short description of the service and how the visitor will benefit from it.

Our Archive with Carousel Style

That off his nut the bee's knees on your bike mate tinkety tonk old.

China factory for your choose

China factory for your choose

# First Last Handle 1 Mark Otto @mdo 2 Jacob Thornton @fat 3 Larry the Bird @twitter China factory for your choose China has been a popular destination for manufacturing for decades, and it’s not hard to see why. With a wealth of experience, a vast network of suppliers, and low labor costs, China offers […]

Made in China FAQ

Made in China FAQ

made in China 1. What products are commonly made in China? 2. Is everything made in China of poor quality? 3. What are the benefits of buying products made in China? 4. How do I know if a product is truly made in China? 5. Can I trust products made in China to be safe […]

Chinese Manufacuturer

Chinese Manufacuturer

Chinese Manufacuturer China has been a significant player in the global manufacturing industry for several decades. The country’s manufacturing sector is renowned for its efficiency, reliability, and cost-effectiveness, making it a popular destination for companies looking to outsource their production needs. One of the key drivers of China’s manufacturing success is the Chinese manufacturer, a […]

About YYI Tech

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.

As Featured In

This is a space to showcase any publications your work has been featured in

Client Testimonials

“A review from a client who benefited from your product. Reviews can be a highly effective way of establishing credibility and increasing your company's reputation.”
Client name
“A review from a client who benefited from your product. Reviews can be a highly effective way of establishing credibility and increasing your company's reputation.”
Client name
“A review from a client who benefited from your product. Reviews can be a highly effective way of establishing credibility and increasing your company's reputation.”
Client name

A Title That Gets the Visitor to Contact You

This is your chance to emphasize why the visitor should contact you right now.

Our Services

This text briefly introduces visitors to your main services.

Service 1

A short description of the service and how the visitor will benefit from it.

Service 2

A short description of the service and how the visitor will benefit from it.

Service 3

A short description of the service and how the visitor will benefit from it.

Service 4

A short description of the service and how the visitor will benefit from it.

Contact Us

We would love to speak with you.
Feel free to reach out using the below details.

Get In Touch

Hours

Fill out the form below and we will contact you as soon as possible!

Trusted By

This is a place to showcase the logos of some of your clients