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From Prototyping to Production

One-stop solution for fast and reliable custom manufacturing. Comprehensive capabilities covering CNC machining, 3D printing, injection molding, sheet metal, and more.

20+ Years

Industry Experience

300+

In-House Machines

3 Days

Fastest Delivery

Certified Excellence

ISO 9001 ISO 13485 IATF 16949 ISO 14001 D-U-N-S® Registered

Our Services

Choose from a wide range of manufacturing capabilities for one-off prototyping, low-volume, or high-volume production.

CNC Machining

CNC Machining Services

High precision for complex projects with 3-, 4-, and 5-axis capabilities. Ideal for prototyping and low-volume production across materials and industries.

Sheet Metal Fabrication

Sheet Metal Fabrication

High-quality parts with precise cuts and bends in aluminum, brass, and stainless steel. Competitive pricing, no minimums.

Vacuum Casting

Vacuum Casting Service

Production-quality rubber parts with no tooling costs. Ideal for prototypes and small batches.

Injection Molding

Injection Molding Service

Cost-effective, high-quality plastic parts with 100+ materials, no minimum order, and advanced molding options.

3D Printing

3D Printing Services

Rapid, accurate prototypes within 24 hours using SLA and SLS methods in various plastics and rubbers. Ideal for design testing.

Surface Finishing

Surface Finishing Services

Wide range of options including anodizing, plating, painting, and polishing to meet functional and cosmetic requirements.

Aluminum Extrusion

Aluminum Extrusion

Custom profiles for structural and thermal applications. High strength-to-weight ratio with excellent corrosion resistance.

Die Casting

Die Casting

High-pressure casting for complex metal parts with excellent dimensional accuracy and surface finish. Suitable for zinc, aluminum, and magnesium.

Wire EDM Machining

Wire EDM Machining

Ultra-precise cutting of conductive materials using electrical discharge. Ideal for intricate shapes and hard metals.

About GS Proto

We are a top custom parts manufacturer specializing in high-quality prototyping, on-demand production, and both low- and high-volume manufacturing. With expertise in a wide range of materials, processes, and finishes, we serve a global clientele that values precision, innovation, and excellence.

At GS Proto, we prioritize clear communication. Our team works closely with you to fully understand your design specifications, ensuring we deliver exactly what you envision, down to the finest detail.

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800+

Skilled Employees

2000m²

Factory in Shenzhen

2003

Founded

2015

Global Expansion

Our Development History

2003 — Founding Year

GS Proto was founded in Shenzhen, focusing on local precision manufacturing under Mr. Liao Liping’s leadership.

2008 — Building Foundation

Enhanced core capabilities and established key operational structures for future growth.

2015 — Global Expansion

Shifted focus to international trade, building a global reputation for high-quality parts.

2018 — Expo Participation

Showcased advanced manufacturing at the prestigious New York Expo.

2020 — Technological Advancement

Introduced cutting-edge 3D printing services, expanding technology base.

2022 — Injection Molding Launch

Launched full-scale injection molding department, strengthening production capabilities.

Our Philosophy

Service

The customer is the cornerstone of our company. It is our duty to ensure their satisfaction.

Quality

The quality of our products is the best display of our capabilities and the loudest statement we can make.

Innovation

Technology evolves constantly—we must evolve with it to deliver the best products in the industry.

Our Mission

At GS Proto, our goal is simple: making sure you’re happy with everything we do. From the very first meeting to the final product, we focus on giving you the best experience and top-quality results. We offer help with design, provide expert advice, and give you full access to our manufacturing capabilities—giving you an advantage and peace of mind.

Leo Liao

Leo Liao

Founder & CEO

"For almost 20 years I’ve been involved in design and CNC production. Helping clients create parts, prototypes, and countless other projects has been an exciting experience and it’s why I love my job."

Get in Touch

We are happy to accommodate you in person, on the phone, or over the web. Contact us today—let’s discuss your next project!

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