Custom Precision Manufacturing for Complex Industrial Components

ISO 9001 certified manufacturer delivering tight-tolerance custom parts for medical, robotics, electronics, automation, and industrial equipment industries.

10+ Years Experience
Rapid prototypes in 1–3 days
Prototype to mass production
100+ metal & plastic materials
Global OEM/ODM delivery
Engineering DFM support

WHY TOPS?

CNC Machining

Die Casting

Sheet Metal Fabrication

Plastic Injection Molding

Your Trusted Precision Manufacturing Partner at TOPS

TOPS Precision is a China-based manufacturer focused on high-precision custom parts for global customers. We work closely with engineering teams to deliver parts that meet strict tolerance, functional, and surface finish requirements.

Whether you need low-volume prototypes or high-volume production, our team provides professional engineering support, efficient production planning, and consistent quality control.

Plent of Reasons

Thinking of Selecting Us?

If you are thinking of choosing TOPS, you are making a wise decision.

✔ 10+ years of industry experience

✔ 10,000+ custom parts produced

✔ Advanced CNC & die casting equipment

✔ Strict quality control system

✔ Competitive factory pricing

✔ Fast global delivery

Certified Quality You Can Rely On

Ensuring manufacturing precision and excellence through ISO 9001 Certification.

Powerful Manufacturing Capabilities

TOPS transitions seamlessly from prototyping to large-scale production, leveraging superior materials and cutting-edge technologies to actualize product concepts.

24/7 Engineering Support

TOPS provides skilled service engineers equipped with the expertise to address all your manufacturing questions.

Treating Your Business Like Our Own

We process your project with our team of highly skilled and seasoned technicians, who dedicate themselves to maintaining the highest standards of product quality at all times.

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Experienced Staff

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Diverse Process

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High-end Equipment

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Complicated Parts

Steps for Collaboration

How To Work With Us

At TOPS, we welcome your projects at any stage of development, from fully fleshed-out designs to the initial spark of inspiration. Our team is committed to transforming your vision into reality with meticulous attention to detail and professional precision. We conduct thorough assessments of your ideas or preliminary designs,

providing complimentary, actionable guidance to enhance manufacturability and streamline production. We invite you to send your 3D designs to us or share your concepts in written form. Our agile team will quickly examine your input, guaranteeing a swift, personalized response to meet your diverse manufacturing requirements.

Get Instant Quote

Send your design or drawings through email, to receive immediate response for both your prototype and production components.

Start Production

Once you've placed your order, we initiate the manufacturing process. Additionally, our sales team provides you with real-time updates on the progress of your production.

Receive Your Parts

After the parts successfully undergo quality checks, they are carefully packaged for shipment.

Dongguan Tops Precision Manufacture Limited

Dongguan Tops Precision is a leading manufacturer with expertise in CNC Machining, Die Casting, Sheet Metal Fabrication, and Plastic Injection Molding. TOPS produces custom parts and components for sectors such as New Energy, Automation Equipment, Machinery, Medical, and Electronics. Our company's approach is to foster partnership arrangements with the customers, encouraging open communication and a mutually advantageous business relationship. In alignment with this philosophy, we stay responsive to our customers' requirements and continually upgrade our systems with the most advanced equipment and facilities to address the evolving demands of their industries. Our capability to manage a diverse array of materials and component parts allows you to fulfill various needs through a single supplier.

More About Us

CNC Machining Workshop

Die Casting Workshop

Plastic Injection Workshop

Sheet Metal Fabrication

Manufacturing Quality You Can Rely On

Quality is built into every step of our production process. From raw materials to final shipment, every part is carefully inspected to ensure reliable performance and assembly-ready delivery.

Strict QC Workflow

Our IQC, IPQC, and OQC inspection system controls quality at every stage. This structured process helps us maintain a >99% acceptance rate from prototype to mass production.

Advanced Precision Inspection

Using CMMs, Optical Projectors, and XRF Spectrometers, we verify tight tolerances down to ±0.005 mm and confirm material authenticity with precision.

Full Traceability

Every shipment includes complete quality documentation, including FAI reports, material certificates, and RoHS compliance records for full transparency.

Certified & Trusted

Our ISO 9001:2015 certified manufacturing system is trusted by customers in medical, automotive, robotics, and other high-precision industries.

Customers Worldwide

Your Feedback Is Our Greatest Support

What Our Customers Say

Recognized as the premier choice for reliable, skilled, and technologically advanced parts manufacturing, TOPS stands as your optimal partner in accomplishing your business objectives.

Kimbery Shrank

Purchasing Manager

Tops Precision’s website is very user-friendly, offering a wide range of manufacturing options. Their parts are high-quality and securely packaged, with fast delivery and competitive prices.

Rick Goode

Chairman

At TOPS, meticulous attention to detail in part engineering is paramount, with every minute aspect carefully considered. Each moment of engineering is invaluable, reflecting the company's commitment to excellence.

Mike Prado

Supply Chain Management

Undoubtedly, TOPS reigns supreme in precision manufacturing. Their excellence shines through in their ability to deliver top-notch machined end products within remarkably tight deadlines. They maintain an unwavering commitment to upholding the highest quality standards for every project.

Celest Miller

Co-founder

We have received the sample, and it looks fantastic! The surface finishing is especially impressive, and the finished piece feels excellent in hand. We are very pleased with the quality of your work.

Matthias Bressau

Operations

TOPS epitomizes excellence in both service and product quality. Their meticulously engineered precision-machined prototypes, crafted from aluminum and steel, have left an indelible impression on us. Consistently meeting deadlines, they showcase proficiency in custom machining and rapid production.

Our Company Overview

Customize Your Components

Get Started With Tops

Frequently Asked Questions

1. What manufacturing services does TOPS offer?

We provide custom precision services including CNC machining (turning/milling), die casting, sheet metal fabrication, and plastic injection molding for both prototypes and volume production.

2. How can I get a quote for my parts?

Send your 2D, 3D file or drawings to us via email info@tops-precision.com. Our team will review and respond quickly with a detailed quote.

3. Do you support both low-volume and high-volume production?

Yes. We handle rapid prototyping, low-volume runs, and larger production orders with the same quality standards.

4. What industries does TOPS serve?

We serve aerospace, automotive, medical, automation, robotics, electronics, and other industries requiring precision components.

5. What quality standards do you follow?

We operate under ISO 9001:2015 quality management systems to ensure consistent part accuracy, performance, and reliability.

6. What materials can you machine?

We work with a wide range of metals and plastics, including aluminum, stainless steel, brass, copper, PEEK, ABS, and many others based on your application needs.

7. How long does it take to receive manufactured parts?

Lead times vary by part complexity and quantity, but we strive for efficient turnaround and will communicate schedule details when quoting your project.

8. Can you help optimize my design for manufacturability?

Yes. Our engineering team can review your design to improve manufacturability and suggest material or process options to meet cost and performance goals.

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