Sheet Metal Fabrication Services

Custom sheet metal fabrication services using advanced technology for prototyping or large-scale production. Partner with us for efficient, cost-effective, and reliable solutions today!

  • Post-processing options such as annealing, powder coating, etc. 
  • Over 30 metals 
  • Free quoting and design feedback

Our Capabilities

As one of the best custom sheet metal fabricators, we have the following capabilities. Explore different sheet metal fabrication solutions based on advanced manufacturing capabilities to meet your custom metal fabrication needs.

sheet metal fabrication laser cutting

Laser Cutting

Our laser cutting technology ensures precision, clean edges, and minimal waste for intricate designs and tight tolerances.

sheet metal fabrication metal bending

Metal Bending

We provide metal bending services with advanced machinery to shape metals without compromising structural integrity.

sheet metal fabrication stamping

Stamping

Our sheet metal stamping shapes metal into precise forms, perfect for large quantities of identical, high-quality parts.

sheet metal fabrication riveting

Riveting

Our riveting services offer a reliable alternative to welding for durable metal assemblies across industries.

Why Choose Us

Seasoned Manufacturer

With decades of experience, GS Proto delivers top-quality sheet metal fabrication, ensuring industry-standard results.

In-house Equipment

Our facility uses advanced tech, ensuring faster production and better quality control for every project.

Quality Inspection

We ensure quality by inspecting each component to meet customers' specifications before leaving the factory.

Sheet Metal Expertise

Work with our engineers for design advice, manufacturability insights, and cost-saving tips.

Parts Gallery for Custom Metal Fabrication

Our Custom Sheet Metal Factory

Our custom sheet metal factory uses advanced technology to create precise, high-quality parts tailored to your specifications.

Put Your Parts into Production Today!

Get a free sheet metal prototype quote in person, by phone, or online. Contact us today to discuss your next project!

Available Materials for Sheet Metal Fabrication

Here is a list of our standard available metals for sheet metal fabrication. If you require a custom material please contact us via email

Material Subtypes
Aluminum Aluminum 5052, Aluminum 5083, Aluminum 5754
Copper Copper C101, Copper C103, Copper C110, Copper C260 (Brass)
Stainless Steel 301, 304, 316, 316L
Steel SPCC, Galvanized Steel (SGCC / SECC), Q235, Steel 1020

Surface Finishes for Sheet Metal

Choosing the right surface finish can enhance your sheet metal components’ appearance, durability, and functionality. Below is an overview of the most common finishes we offer.

Finish Color Description Application/Materials
As-machined-Ra1.6 Standard Natural Metal The raw finish is directly after fabrication. All Metals
powder-coating-black Powder Coating Various Colors Durable coating providing corrosion resistance and color. Aluminum, Steel, Copper
Anodizing-Type-II-Black-Glossy (1) Anodizing Clear or Colored Electrochemical process that adds a corrosion-resistant layer. Aluminum, Titanium
nickel-Electroplating-Glossy-1 Electroplating Various Metallics Coating of metal with another to enhance corrosion resistance or appearance. Steel, Copper, Nickel
Sand-blasting-220 Sand Blasting Matte Creates a uniform, matte surface by blasting with sand particles. Stainless Steel, Aluminum
Ra0.2-Mirror-polish Polishing Shiny Metallic Buffing surface to a mirror-like shine. Stainless Steel, Brass, Copper

Ready to Get a Sheet Metal Fabrication Quote?

Get a free sheet metal prototype quote in person, by phone, or online. Contact us today to discuss your next project!

Our Sheet Metal Processing Equipment List

EquipmentBrandQuantity
CNC Laser Cutting MachineMitsubishi ML3015SR-f20ML3015GX-F403
CNC Laser Cutting MachineMitsubishi ML3015eX3
CNC Laser Cutting MachineBaiChao DiNeng 3000W4
CNC Bending MachineAmada RG805
CNC Bending MachineTongyang APB-3613WU2
CNC Bending MachineTongyang HYB-60203
CNC Bending MachineTongyang APB-5620WU4
CNC Bending MachineOsmar OSM 0G-60III6
600T PressYihui YHA4-600T3
400T PressY34-400T4
300T PressYihui YH-300T3
160T PressShengze SJ-160T5
100T PressShengze SJ-100T5
250T Stamping MachineXieyi SN2-2505
110T Stamping MachineJinfeng COP-110N10
80T Stamping MachineXieyi SN1-805
618 Riveting MachineHaeger-618PLUS-H15
617 Riveting MachineHAIGEH 61710
416 Riveting MachineHaeger-416-2205
Handheld Laser Welding MachineFenghuo WSM-4002
Welding MachineYili NBC3153

Tolerances for Sheet Metal Fabrication Services

Listed below are the standard tolerances achieved for parts produced by our in-house sheet metal factories. 

Feature Tolerance
Cutting feature From ±0.002" (0.05 mm)
Bend angle From ±1.0°
Bend to edge From ±0.004" (0.1mm)

Note: The data provided is for reference only, and the actual values may vary based on the situation. Please don’t hesitate to contact us, and we’ll be happy to assist you!

How to Work with us

1
Upload CAD Design
Upload your CAD design file on our website. Our team will review your project specifications.
2
Quote & DFM Analysis
We will provide a detailed quote and DFM analysis that shows your project is optimized for cost-effectiveness and quality.
3
Order Confirmation
After finalizing the design and quote, confirm your order with us. We will then proceed with the necessary preparations for production.
4
Start Production
Upon confirmation, our team begins production using our in-house equipment. We provide updates throughout the process.

FAQs

Get Your Free Sheet Metal Fabrication Quote

Get a free sheet metal prototype quote in person, by phone, or online. Contact us today to discuss your next project!

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