Affordable high precision plastic molds and machined parts available for any order size | Contact our experts or engineers now for a quote!

Custom Parts

Bring product ideas to life from rapid prototyping to plastic injection molding production

Rapid prototyping | Injection molding

We provide turnkey solution for a new product from conceptual design prototypes,mold manufacturing ,injection molding ,secondary processing to assembly.

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How can we help drive your business?

Design and engineering support

Get free manufacturability analysis to quickly improve part design. Get free quotatioin with very competitive price for your project .

Rapid prototyping

Quickly test prototype parts and push them to the market faster.

Mold making

Tolerance up to ± 0.01 mm to meet your high precision plastic injection mold requirements to win in the market.

Plastic injection molding parts

Precision plastic parts in production to reduce manufacturing costs and effectively meet your production needs.

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BOYI TECHNOLOGY is a China leading professional prototypes ,high precision plastic mold and injection solution provider. Our skilled experts and advanced technology enable us to quickly, accurately, and economically translate your ideas into reality.

cnc machining parts

CNC Machining

Utilize rapid CNC machining to cut your customized parts with high precision, ensuring smooth prototyping and producing as many parts as possible.

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Mold Manufacturing

High precision and stable quality plastic mold to ensure injection molding production works smoothly.

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injection molding parts

Plastic Injection Molding

Our injection molding can manufacture competitively priced, high-quality plastic production parts within fast delivery times to help you open up and seize the market.

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Effortlessly Create Prototype Parts and Molds — Start Customizing Your Project Now

BOYI: Your Premier Custom Parts Manufacturing Center

BOYI offers two state-of-the-art manufacturing centers dedicated to producing high-quality custom parts. Our CNC machining center specializes in precise metal machining, ensuring high accuracy and consistency in every component. Meanwhile, our mold manufacturing and plastic injection molding center efficiently produces a wide range of complex plastic parts. Whether it’s metal or plastic, BOYI provides exceptional solutions to meet your diverse manufacturing needs. 

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See What Our Customers Say About Us

The words of our customers carry more weight than ours. See what our satisfied customers have said about how we fulfilled their requirements.

Christopher Wilson
Christopher Wilson
- Product Manager
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Two years ago, I was skeptical about outsourcing our stainless steel parts to a new supplier, but BOYI proved me wrong. Their quality is consistently high, and they’ve never missed a deadline. Since then, 80% of our stainless steel parts have been ordered from them. I don’t think we’d be as successful without their support.
John Davis
John Davis
- Senior Mechanical Engineer
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I’ve worked with a lot of CNC suppliers over the years, but BOYI really stands out. The precision of the parts they delivered was spot-on, and Coco was fantastic—she answered every question I had, no matter how small. If you’re looking for quality and reliability, BOYI is the way to go.
Michael Anderson
Michael Anderson
- Production Supervisor
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BOYI has been our go-to for injection molding, and they’ve never let us down. Danna always been there to make sure our orders are on track, and the quality of the molds is excellent. We’ve been able to ramp up production without any hiccups thanks to them.
Lisa Thompson
Lisa Thompson
- Product Development Manager
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We’ve been working with BOYI for our automotive parts, and their injection molding service is just what we needed. Danna from their team really knows her stuff — she made sure the whole process was smooth from start to finish. The molds turned out perfect, and we’ve seen a big improvement in our production efficiency. Couldn’t ask for better.
Mark Richardson
Mark Richardson
- Manufacturing Engineer
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BOYI has been a solid partner for our mold making needs. Danna and his team really know their stuff when it comes to mold making. Danna always there when we need him, and she really gets what we’re trying to achieve. The molds they’ve made for us have been top quality, and the support we get from their team makes all the difference. It’s been a real pleasure working with them.
Jennifer Evans
Jennifer Evans
- Procurement Manager
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I’ve been ordering custom aluminum parts from BOYI for a while now, and I have to say, they’re the best we’ve worked with. Coco made the whole process easy, and the parts fit perfectly every time. We’ve never had to worry about quality issues, and that’s a huge relief in my line of work. BOYI is our go-to for anything aluminum.

Precision Prototyping & Mold Solutions

From your initial inquiry to final delivery, we ensure every step is handled with precision and care, so you can focus on what matters most—bringing your project to life.

Exceptional Professional Service and Immediate Response

Professional Service & Fast Response

At BOYI, we not only possess advanced technology but also have the most outstanding team of engineers in the industry. Through our efficient management system, we will assign an engineer to contact you within 10 minutes and provide an accurate quote and design consultation within 2 hours. Our team comprises over 30+ experienced engineers, always ready to provide in-depth DFM feedback, helping you optimize designs, reduce costs, and enhance product performance.

Unmatched Quality Assurance

BOYI proudly holds the ISO 9001 certification, ensuring every part meets high precision and superior quality. We also provide consistent visual inspections and surface treatments, ensuring every part is cleaned and protected for perfect appearance and quality. Our quality control process includes:

Unmatched Quality Assurance

On-Time Delivery Guarantee

BOYI optimizes your orders through an intelligent order matching system, minimizing production wait times. Our rapid production scheduling and real-time progress tracking system allow you to monitor the machining progress at any time, ensuring orders are completed on time. We can complete orders in as fast as 3 days, promptly addressing any anomalies to meet your deadlines.

Experience Our Advanced Facilities

We invite you to explore our state-of-the-art equipment and see firsthand how our meticulous processes and expertise transform your ideas into high-quality prototypes and molds. Witness the craftsmanship and technology that set us apart and ensure your project’s success.

Manufacturing Resource

You will learn about rapid prototyping, injection molding, mold manufacturing, and more here.

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