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Quality Sheet Metal Service

Transform your ideas into reality with our industry-leading sheet metal fabrication services. At KeSu, we combine advanced technology, expert craftsmanship, and rapid turnaround to deliver high-quality, custom metal parts tailored to your exact specifications. Upload your design to get started and get an instant quote for custom sheet metal prototypes and production parts.

  • Fast Turnaround
  • Custom Surface Finishes
  • Wide Range of Materials
  • 200+ Experienced staff

 

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BEST YOU NEED, BEST WE PROVIDED.

What We Good At Sheet Metal Fabrication

With advanced machines, like laser cutters, bending machines, and welders, in our China-based factory, we can supply any quantity of sheet metal parts, from low-volume prototypes to high-volume production. Our domestic fabricators and engineers provide precision and fast delivery.

Laser Cutting

Laser cutting is a subtractive manufacturing process that uses a high-powered and focused laser beam to create precise cuts in sheet metal materials. Laser cutting uses a focused laser beam to cut, etch, or engrave materials, vaporizing or melting them for precise edges and complex patterns based on designer specifications.

Bending

Press brake forming uses a matching punch and die set and the application of force along a straight axis, producing linear bends on metal sheets. Bending applies a force to a thin sheet of metal to shape it into various geometries, like U-shape, V-shape, or channel shape. The thickness of the metal can vary.

Welding

Welding is the process of joining two or more metal pieces using heat, pressure, or both to form a strong bond. It combines skill and precision to create durable, sturdy metal structures. Sheet metal assemblies involve joining multiple sheet metal components through a variety of processes, such as welding or riveting, to create an assembled final product. 

Punching

Punching is a process that combines a punch tool with a bottom die and uses a pressing force to cut part profiles and form metal sheets into specific shapes and patterns. Punching uses a punch tool to create holes or shapes by forcing it through a die, cutting the metal with a shearing action for precise, clean results in fabrication.

Riveting

Riveting is a semi-permanent joining method using mechanical fasteners (rivets) to connect sheet metal parts. It’s faster and much cost-effective than welding. Sheet metal assemblies involve joining multiple sheet metal components through a variety of processes, such as welding or riveting, to create an assembled final product.

Stamping

Stamping uses dies and presses to shape flat metal sheets into different forms, creating complex, three-dimensional designs through cold-forming techniques. Our capabilities include computer-controlled manufacturing processes such as laser cutting, bending, punching, welding, stamping, and riveting. 

manufacturing solutions

From Design to Prototyping to Production

Our capabilities include computer-controlled manufacturing processes such as laser cutting, bending, punching, welding, stamping, and riveting. Advanced inspection tools—like CMM, two-dimensional measuring instruments, XRF analyzers, gauges, micrometers, and calipers—ensure all parts meet strict requirements. Choose KeSu for accurate, custom sheet metal parts built to your specifications.
  • 15+ Years of Experience
  • ISO 9001:2015 certified QMS
  • CMM Quality Inspections
  • Surface Finishing Options
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Customize Your Sheet Metal Service Solution

Custom Sheet Metal service

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Rapid Prototyping

We offer high-quality rapid prototyping services in China, providing you with more competitive sheet metal prices and faster delivery times. We have developed the latest rapid prototyping technology to meet your design challenges, and will work with you to verify and improve your product sheet metal prototyping, conduct functional testing, and carry out engineering verification.

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Rapid Manufacturing

KeSu is your best sheet metal manufacturing partner in China. We offer a range of solutions from effective rapid prototyping to production of sheet metal parts. Our sheet metal company’s rich machining experience and ability to integrate resources enable us to meet the needs of any projects and ensure your parts always meet the highest quality standards.

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Custom Sheet Metal

We provide one-stop rapid sheet metal services and cost-effective rapid custom sheet metal machining services. Do you need production-grade materials, complex geometric shapes, tight tolerances, or fine details? Working with the KeSu sheet metal factory, you can get sheet metal parts to the specs you require through the design prototyping and manufacturing process.

Our happy customers

We've helped thousands of customers succeed

Choosing The Right Prototype Manufacturer. One-to-one support service by a technical team, quick response within a few hours. Most competitive prices in the market, 30% lower than Europe and America.
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Thomas

Sales Manager

★★★★★ 5/5
“Thank you for the warm message. It is my pleaseure to introduce other companies to yours as your work was excellent on the heatsinks we received from you earlier this year, and your craftsmanship speaks for itself. Keep up the good work.”
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Addison.H

Head of Designer

★★★★★ 5/5
“Alfie is the Technical Director whom I have know for many years and is currently seeking a low cost, out-sourced, component manufacturing resource who can be responsible for machining complex components with short delivery times without comprising B.Motion’s high quality standards.”
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Nancy. K

Engineer

★★★★★ 5/5
I would like to introduce Tony from Kesu Hardware Group.
He is my long term supplier with all my trust.
Can we please proceed the order for parts as quoted? Drawings and quote attached.
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Sheet Metal Materials

MaterialDescription
Aluminum Aluminium is lightweight, corrosion-resistant, and boasts an excellent strength-to-weight ratio, making it ideal for aerospace, automotive, and construction applications. Its machinability supports intricate designs, and it’s often used for enclosures, brackets, and panels. Available grades: Aluminum 1100-H14, Aluminum 5052-H32, Aluminum 6061.
Copper Copper is renowned for its excellent electrical and thermal conductivity, as well as high ductility. It’s a top choice for electrical wiring, plumbing, roofing, and heat exchangers, offering durability and formability for complex shapes. Available grades: Copper 101, Copper C110, Copper C110 H02, Copper 260 (Brass).
Bronze Available grades: Bronze 220, Bronze 510.
Stainless Steel Stainless Steel offers superior corrosion resistance, strength, and a polished appearance, ideal for medical devices, food processing equipment, and marine environments. Its ease of cleaning and durability make it a go-to for hygienic and high-wear applications. Available grades: Stainless Steel 301, Stainless Steel 304, Stainless Steel 304 #4 brushed, Stainless Steel 304 #8 mirror polish, Stainless Steel 316/316L, Stainless Steel 316 #4 brushed.
Steel Steel is exceptionally strong and durable, widely used in construction, heavy industry, and automotive applications. It can be alloyed for enhanced hardness or corrosion resistance, making it versatile for structural components, enclosures, and machinery parts. Available grades: Steel 1018 (Low Carbon), Steel 1045 (Hot Rolled), Steel A569/ASTM A1011 (Hot Rolled), AZ55 Galvalume, A653 Galvanized, 1095 Spring Steel, Steel A36, Steel A36 pickled and oiled, Steel A366/1008.
Nickel Alloys Available grades: Inconel 625, Nickel Alloy 200, Nickel Alloy 400.
Titanium Available grades: Titanium (Grade 2), Titanium 6AI-4V (Grade 5).
NameDescription
As MachinedAs machined finish (Ra1.6) leaves the surface straight from the CNC machine, providing a cost-effective option with tool marks.
AnodizingAnodizing Type II (Black, Glossy) increases corrosion resistance and wear properties, while allowing for color dyeing, ideal for aluminum parts.
PolishingPolishing (Ra0.2, Mirror polish) achieves a high gloss finish, reducing surface roughness and enhancing the aesthetic appeal of metals.
Sand BlastingSand blasting (#220) uses pressurized sand or other media to clean and texture the surface, creating a uniform, matte finish.
TumblingTumbling smooths and polishes small parts by friction and abrasion in a barrel, offering a consistent but slightly textured finish.
ElectropolishElectropolish is a chemical process that smooths and brightens surfaces while improving corrosion resistance.
AlodineAlodine (Chemical film: Conversion, Yellow) coating provides corrosion protection and improves paint adhesion, mainly used on aluminum surfaces.
Heat TreatmentVacuum Heat Treatment alters the mechanical properties of metal to increase its hardness, strength, or ductility.
Brushed FinishBrushed (#220) finish creates a unidirectional satin texture, reducing the visibility of marks and scratches on the surface.
Powder CoatingPowder coating applies a thick, wear-resistant layer with excellent color and texture options, suitable for a variety of surfaces.
ElectroplatingElectroplating (Nickel, Glossy) bonds a thin metal layer onto parts, improving wear resistance, corrosion resistance, and surface conductivity.
Black OxidizeBlack oxidize is a conversion coating for ferrous metals that improves corrosion resistance and minimizes light reflection.

Sheet Metal FAQs

Sheet metal fabrication is a manufacturing process that involves cutting, bending, forming, and assembling flat metal sheets into desired shapes and structures. It uses techniques like laser cutting, punching, bending, welding, and finishing to create parts for industries such as automotive, aerospace, and construction.
Common materials include stainless steel (corrosion-resistant), aluminum (lightweight, strong), mild steel (affordable, strong), copper (conductive), brass, and zinc. Sheet thickness typically ranges from 0.006 to 0.25 inches, with thinner gauges for malleability and thicker for heavy-duty applications.
The primary processes are cutting (e.g., laser, plasma, waterjet, shearing), forming (e.g., bending, stamping, rolling), joining (e.g., welding, riveting, adhesives), and finishing (e.g., coating, polishing). Each process is chosen based on design requirements and material properties.
Surface finishes enhance appearance, durability, and functionality. Common options include:
  • As Machined (Ra1.6): Cost-effective finish straight from the CNC machine with visible tool marks.
  • Anodizing Type II (Black, Glossy): Increases corrosion and wear resistance, ideal for aluminum, with color dyeing options.
  • Polishing (Ra0.2, Mirror Polish): Achieves a high-gloss, smooth finish, enhancing aesthetics of metals.
  • Sand Blasting (#220): Creates a uniform, matte texture by blasting media to clean and texture the surface.
  • Tumbling: Smooths and polishes small parts via friction in a barrel, yielding a consistent, slightly textured finish.
  • Electropolish: Chemically smooths and brightens surfaces, improving corrosion resistance.
  • Alodine (Yellow Chemical Film): Provides corrosion protection and enhances paint adhesion on aluminum.
  • Brushed Finish (#220): Creates a unidirectional satin texture, minimizing visibility of scratches.
  • Powder Coating: Applies a thick, durable, wear-resistant layer with various color and texture options.
  • Electroplating (Nickel, Glossy): Bonds a thin metal layer to improve wear, corrosion resistance, and conductivity.
  • Black Oxidize: A conversion coating for ferrous metals, enhancing corrosion resistance and reducing light reflection.
Precision is achieved using high-precision equipment (e.g., CNC machines, laser cutters), skilled operators, and accurate engineering drawings. Maintaining proper tolerances (e.g., ±0.05 mm for tight precision) and consulting with fabricators during design ensure accuracy. Correct processing techniques, like overbending to account for springback, also help.
Control costs by selecting cost-effective materials (e.g., mild steel over aluminum), optimizing designs for manufacturability (e.g., uniform thickness, avoiding tight tolerances unless necessary), using efficient processes (e.g., laser cutting for precision), minimizing waste, and improving production efficiency to reduce defects. Outsourcing to specialized fabricators can also lower costs by avoiding in-house equipment investments.
Advantages include high precision, cost-effectiveness for prototypes and production, durability of parts, scalability from prototyping to large-scale runs, and versatility in creating complex shapes. It’s also compatible with a wide range of materials and finishes for functional and aesthetic purposes.

Sheet Metal Fabricating

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Complete Sheet Metal Fabricating services from prototype to production ensure high quality, fast delivery and competitive prices.

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