High-Precision Custom CNC Machining Services

Your Trusted Partner for Complex Parts, From Prototype to Production. Fast Lead Times, Competitive Costs, Guaranteed Quality.

A Row Of Neatly Arranged Cnc Processing Centers

30+

Materials Machined

6+

Industries Served

About Us

More Than a Machine Shop, We Are Your Manufacturing Partner.

As a technology-driven company, Zenithin Transmission provides custom machining solutions for leading innovators in the automotive, medical, and semiconductor sectors.

Trusted by Innovators in Demanding Industries

Automotive Industry

Automotive Industry

Medical Devices

Semiconductor

3C Electronics

Robotics

Manufacturing Solutions, Engineered for Precision

Explore our comprehensive manufacturing solutions, designed to deliver exceptional results from prototype to production.

For complex housings, enclosures, and high-tolerance functional parts.

High-speed production of shafts, flanges, and custom cylindrical components.

Machining the impossible: for complex curves, undercuts, and organic surfaces.

For sub-micron tolerances and mirror-like finishes, especially on hardened steel.

High-precision drilling, tapping, and reaming for any hole requirement.

For cutting hardened materials and creating sharp internal corners impossible for milling.

From Design to Delivery in 4 Simple Steps

01  Submit Your Design

Securely upload your 2D/3D files and project requirements through our online quote form.

02 Get a Quote & DfM Feedback

Our engineers will provide a fast, detailed quote and complimentary Design for Manufacturability (DfM) analysis.

03  We Machine Your Parts

Your parts are manufactured to your exact specifications using our state-of-the-art equipment and in-process quality controls.

04 Receive Your Quality Parts

After a final CMM inspection, we professionally package and ship your high-quality parts directly to your door, on time.

Precision, Price, and Peace of Mind

What Our Partners Say

Our greatest measure of success is the success of our clients.

Not only did Zenithin flawlessly machine our most complex 5-axis part, their expert DfM feedback actually helped us improve the design. They are true engineering partners.

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David Chen Lead Mechanical Engineer

Finally, a supplier that delivers high-quality parts on time, every time. Their proactive communication and dedicated project manager make the entire process seamless and reliable.

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Sarah Miller Procurement Manager

As a startup, speed is everything. Zenithin delivered our first high-quality prototypes in about a week, giving us a massive advantage in our development cycle.

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Michael Lee Startup Founder & CTO

Frequently Asked Questions

Have questions about our capabilities or how we work? Find quick answers to some of the most common inquiries we receive below.

Yes. We support everything from single rapid prototypes to low-to-medium volume production runs with a scalable and reliable process.

Our quality system is ISO 9001:2015 certified. We verify all parts using a multi-step inspection process, including final verification on our high-precision CMMs.

Lead times vary by complexity, but prototypes typically ship in 5-7 business days, and small-batch production runs in 7-15 business days.

Simply provide your 3D CAD file, a 2D drawing with tolerances, the required quantity, and material specifications.

Yes. We provide complimentary DfM (Design for Manufacturability) feedback with every quote to help you improve quality and reduce costs.

We focus on providing the best overall value. Our efficient processes and complimentary DfM analysis help you reduce total costs without ever sacrificing quality.

Let's Build Your Next Great Part, Together

Partner with Zenithin Transmission for a seamless manufacturing experience.

From rapid prototypes to production runs, our team is committed to delivering precision-engineered parts that meet your most demanding technical and quality standards.

Take the first step today !

🔒 Your files are 100% secure and confidential. We gladly sign NDAs upon request.

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Receive a Fast, Accurate Quote from Our Engineers

🔒 Your files are 100% secure and confidential. We gladly sign NDAs upon request.