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BUILDING TOMORROW'S PROTOTYPE TODAY

Discover solutions designed to drive your business forward. With expertise in precision machining and a commitment to excellence, our experienced teams convert your ideas to physical prototypes faster and cheaper.

*Production time as fast as 2 days.
*No minimum order quantity.
*Free DFM check and suggestions.
*Direct communication with production engineers.

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Our services

CNC Milling

Fast and precise CNC milling services including 3-axis, 4-axis and 5-axis milling. We can achieve as tight as 0.01 mm tolerance.

CNC Turning

We can provide with CNC turning and Swiss type lathe machining which can support in both prototyping and production phase.

Sheet Metal

One-stop laser cutting, bending, welding & stamping. Fast, precise sheet metal prototypes to production. 3-day lead time. 1 mm thin walls achievement.

Surface Finish

With our reliable subcontractor, we also can provide seamless services in surface finish including brush, bead blasting, polish, anodizing, harden, plating etc.

Industries Served

Aerospace and Military

Automotive

Medical

Automation and Robotics

Industrial Equipment

Valve and Connectors

Sigma Strength

* Advanced production equipment in 3,4,5-axis CNC machining.

* Skillful technical teams.

* Fast quotation and delivery.

* Tight tolerance achieved.

* Complex and large parts achieved.

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Trusted by dozens of clients

"Working with Sigma Proto has been a game-changer for our production line. Their precision machined parts consistently meet our high standards, and the turnaround time is impressive. The team is responsive and always willing to go the extra mile to ensure our needs are met. Highly recommend!"
Octray
David Rika, Operations Manager
"Sigma Proto has proven to be a reliable supplier for our machined mechanical parts. Their competitive pricing and exceptional customer service make them a preferred choice for our procurement needs. We've built a strong partnership that I hope continues for years to come!"
Mercle
Sarah Dupont, Buyer
"We’ve partnered with Sigma Proto for several projects, and their attention to detail is unparalleled. The quality of the machined components has significantly improved our product reliability. Plus, their expertise in custom solutions has helped us innovate in ways we never thought possible."
Upware
Jean-Pierre Moreau, R&D engineer