Accepting 2D/3D Drawings for Custom Tooling & Extrusion Inquiries
Engineering Email: sales@evertopaluminum.com
End-to-End Manufacturing

Manufacturing & Fabrication Capabilities

We provide single-source aluminum manufacturing solutions—from precision extrusion die design to multi-axis CNC machining, high-performance surface finishes, and export assembly.

6000 & 7000
Extrusion Alloys Supported
Up to 6,500 mm
CNC Profile Bed Length
10 – 25 µm
Architectural Anodizing Depth
100% Drawing Based
Custom Die & Part Engineering
Process Details

Extrusion, Machining & Surface Processing Scope

Detailed overview of our tooling, extrusion, finishing, and mechanical fabrication departments.

Extrusion

Aluminum Extrusion

Custom extrusion capabilities producing solid, semi-hollow, and complex multi-void hollow profiles.

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We support custom aluminum extrusion across various profile sizes and cross-sectional geometries. Utilizing quality aluminum alloy billets (6000 and 7000 series), our extrusion lines ensure uniform metallurgical structure and consistent mechanical properties.

Extrusion parameters—including billet preheating temperature, extrusion speed, and precise quench rate (air or water mist cooling)—are strictly controlled to ensure optimal grain structure and mechanical strength after artificial aging (T5/T6).

Technical Specifications

Alloy Availability:6063, 6061, 6082, 6005A, 6060, 6463, 7075
Temper Options:T4, T5, T6, T66, O
Standard Compliance:EN 755, EN 12020, ASTM B221, GB/T 5237
Maximum Length:Up to 12.0 meters (standard 5.8m – 6.0m for shipping containers)

Key Equipment & Features

  • Custom hollow, semi-hollow, and solid cross-section extrusion
  • Continuous online temperature and speed regulation
  • Dedicated water and forced-air quenching systems for high-strength alloys
  • Computer-controlled precision aging furnaces ensuring uniform hardness
Extrusion

Tooling & Die Development

In-house CAD/CAM die engineering, slow wire EDM cutting, and rapid first-article sample validation.

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Die design is the cornerstone of precision extrusion. Our engineering team utilizes advanced finite element flow simulation software to analyze aluminum flow balance, die stress, and thermal expansion before steel cutting.

Extrusion dies are manufactured from premium hot-work tool steel (e.g. H13 / 1.2344) using precision CNC milling, vacuum heat treatment, and slow-wire EDM wire cutting, ensuring long die life and tight dimensional repeatability.

Technical Specifications

Die Steel Grade:Premium H13 / 1.2344 Hot-Work Tool Steel
Die Manufacturing Lead Time:10 – 15 business days (including sample trial)
Design Support:2D CAD (DWG/DXF), 3D CAD (STEP, IGES, SolidWorks)
Die Flow Optimization:Nitride hardening treatment for high surface durability

Key Equipment & Features

  • DFM (Design for Manufacturability) profile cross-section optimization
  • Flow simulation analysis to prevent extrusion weld line flaws and uneven wall thickness
  • Vacuum heat treatment and multiple-stage gas nitriding
  • First-article extrusion sample verification with coordinate measuring
Surface Treatment

Anodizing Surface Treatment

Electrochemical oxide film generation providing superior corrosion resistance, surface hardness, and architectural aesthetics.

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Our anodizing lines provide controlled electrochemical oxidation to produce a hard, integrated aluminum oxide layer. This layer will not flake, chip, or peel under environmental weathering.

Available in sulfuric acid anodizing (clear, matte silver, champagne, bronze, titanium, and black) as well as bright dip chemical polishing for high-luster decorative trims.

Technical Specifications

Film Thickness Classes:Class 10 (≥10µm), Class 15 (≥15µm), Class 20 (≥20µm), Class 25 (≥25µm)
Available Colors:Matt Silver, Champagne, Light/Dark Bronze, Titanium Grey, Jet Black, Gold
Surface Textures:Satin Anodized, Bead Blasted Anodized, Brushed Anodized, Bright Dip Mirror
Test Compliance:ISO 7599, ASTM B137 (coating weight), ISO 3210 (sealing quality)

Key Equipment & Features

  • Automated vertical and horizontal anodizing rack lines
  • High-purity chemical brightening baths for mirror-finish profiles
  • Cold and hot deionized water nickel salt sealing processes
  • Spectrophotometer color consistency and gloss monitoring
Surface Treatment

Powder Coating

Electrostatic powder application with extensive RAL color matching, architectural grade weatherability, and uniform film thickness.

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Environmentally friendly electrostatic powder coating lines certified to international standards. Uses non-chromate chemical pre-treatment (zirconium/titanium based) to ensure superior adhesion and salt-spray resistance.

We partner with tier-one architectural powder suppliers (such as AkzoNobel, Tiger Drylac, and PPG) to offer super-durable polyester and polyurethane coatings designed for 10 to 25 years of exterior performance.

Technical Specifications

Film Thickness:Standard 60 – 120 µm (uniform coverage)
Color Range:Complete RAL Classic Chart, custom Pantone matching, metallic finishes
Surface Textures:Smooth Gloss, Semi-Gloss, Fine Matt, Sand Texture, Hammer Tone
Performance Standards:Qualicoat Standard, AAMA 2604 / AAMA 2605 compliant powders

Key Equipment & Features

  • Automated spray booths with rapid color change systems
  • Multi-stage ultrasonic cleaning and chromate-free conversion pre-treatment
  • Precision temperature-regulated curing ovens ensuring full polymer cross-linking
  • Adhesion cross-cut testing, impact resistance testing, and bend testing
Surface Treatment

PVDF / Fluorocarbon Coating

Ultra-weatherable 2-coat, 3-coat, and 4-coat fluoropolymer coating for high-rise facades and harsh exterior environments.

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Polyvinylidene fluoride (PVDF / Kynar 500 / Hylar 5000) liquid spray coating engineered for monumental architectural projects exposed to intense solar UV, maritime salt air, and chemical pollutants.

Provides the highest level of color retention, chalking resistance, and chemical inertness available in architectural metal coatings.

Technical Specifications

Coating Systems:2-Coat (Primer + Color), 3-Coat (Primer + Color + Clear Topcoat)
Film Thickness:≥ 30 µm (2-coat) / ≥ 40 – 45 µm (3-coat)
Standards Compliance:AAMA 2605 (10-year Florida exposure standard), Qualicoat Class 3
Durability:20+ years exterior weatherability warranty available

Key Equipment & Features

  • Continuous cleanroom liquid spray booth with electrostatic bells
  • Dedicated primer, color basecoat, and fluoropolymer clear topcoat stations
  • Strict viscosity, curing temperature, and gloss retention control
Surface Treatment

Wood Grain Heat Transfer Finish

Vacuum heat-transfer sublimation producing realistic timber patterns combined with the durability of aluminum.

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Combines the natural warmth and grain of wood with the structural strength, fire resistance, and rot-proof longevity of aluminum.

Profiles are first electrostatically base powder coated, then wrapped in high-definition sublimation film and subjected to vacuum thermal transfer, infusing the wood grain pigment directly into the powder layer.

Technical Specifications

Pattern Variety:Oak, Teak, Walnut, Cedar, Cherry, Pine, Mahogany, Ebony
Base Coating:Super-durable polyurethane exterior powder
Application:Fencing, pergolas, louvers, cladding, and architectural fenestration
Maintenance:Zero sealing, staining, or painting required; easily washed with water

Key Equipment & Features

  • High-vacuum suction tables ensuring zero air-pocket blemishes
  • High-resolution Italian sublimation transfer films
  • Anti-UV exterior grade formulations tested against fading
Fabrication

CNC Precision Machining

Long-bed 3-axis and 4-axis CNC profile machining centers capable of milling, routing, tapping, and chamfering up to 6.5m lengths.

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Our dedicated CNC fabrication department transforms extruded shapes into ready-to-assemble mechanical components. Specialized long-bed CNC machining centers accommodate long architectural and industrial extrusions without multiple re-clamping steps.

We process complex 3D toolpaths directly from client CAD models, ensuring tight geometric tolerances on bolt holes, mounting slots, O-ring grooves, and precision mating surfaces.

Technical Specifications

Machining Bed Travel:Up to 6,500mm profile length
Machining Axes:3-Axis, 4-Axis rotary, High-speed CNC routing
Machining Tolerances:Down to ±0.02mm – ±0.05mm
CAD/CAM Interfaces:STEP, IGES, Parasolid, DXF, DWG

Key Equipment & Features

  • Multi-sided machining of aluminum profiles in a single clamping setup
  • High-speed spindle engraving, pocket milling, and counterbore drilling
  • Rigid tapping from M3 up to M24 with thread pitch control
  • In-process probe measurement and coordinate verification
Fabrication

Precision Cutting & Mitring

High-speed automated precision circular saws supporting compound angle cuts, tight length tolerances, and burr-free edges.

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Equipped with digital CNC double-mitre saws and automated single-head cut-off saws. Features carbide-tipped circular saw blades specifically optimized for non-ferrous aluminum alloys with mist lubrication.

Guarantees high perpendicularity, precise angular mitring (45° / 90° / custom angles), and length consistency across high-volume production batches.

Technical Specifications

Cutting Tolerance:Length: ±0.1mm – ±0.2mm; Angular: ±0.1°
Cutting Capacity:From 5mm mini spacers up to large 350mm structural beam profiles
Cut Quality:Clean, smooth, burr-free cut face with optional vibratory deburring

Key Equipment & Features

  • Dual-head automated mitre cutting with computerized digital length positioning
  • Compound angle bevel cutting for complex structural corner joints
  • High-capacity bundle cutting for high-volume standard spacer tubes
Fabrication

Punching, Stamping & Drilling

High-efficiency progressive punching dies, hydraulic presses, and multi-spindle drilling setups.

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Custom stamping and punching dies allow multiple holes, slots, notches, and louvers to be formed in a single press stroke, significantly reducing cycle time and production cost for high-volume orders.

Our multi-head drilling rigs and tapping centers handle repetitive mounting holes with consistent pitch spacing.

Technical Specifications

Press Tonnage Range:16T to 160T mechanical and hydraulic presses
Hole Capabilities:Round, slotted, countersunk, embossed, keyed, and drainage weep-holes
Tooling Fabrication:Custom punching die design built to client drawing specifications

Key Equipment & Features

  • Progressive stamping dies for continuous punching along profile length
  • Hydraulic corner notching and drainage slot punching for window frames
  • Multi-spindle gang drilling for uniform linear hole patterns
Fabrication

Welding & Joining

Certified TIG, MIG, and robotic seam welding with rigorous weld inspection and low-distortion clamping.

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Aluminum welding requires specialized shielding gas control and thermal management to prevent porosity and thermal warping. Our certified welders utilize AC/DC TIG for aesthetic joints and pulsed MIG for heavy structural weldments.

Welded assemblies include fencing gates, machinery frames, solar skid bases, structural brackets, and architectural canopies.

Technical Specifications

Welding Processes:GTAW / TIG, GMAW / Pulsed MIG, Spot Welding, Robotic Seam Welding
Filler Alloys:ER4043 (AlSi5), ER5356 (AlMg5) matching base metal properties
Post-Weld Processing:Weld seam grinding, blending, shot blasting, and post-weld powder coating

Key Equipment & Features

  • Custom clamping fixtures to control weld distortion and maintain assembly squareness
  • Penetration inspection, dye-penetrant flaw testing, and tensile proof testing
  • Seamless weld dressing for architectural visible surfaces
Fabrication

Thermal Break Polyamide Strip Assembly

Automated knurling, polyamide (PA66 GF25) strip insertion, and multi-stage rolling crimping for energy-efficient window systems.

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Thermal break technology inserts a low-conductivity glass-fiber reinforced polyamide strip between the inner and outer aluminum profile chambers, dramatically reducing thermal conduction.

Our thermal break rolling lines perform automated tooth knurling on profile grooves, followed by continuous strip feeding and precision CNC rolling crimping. Regular shear strength proof tests guarantee structural safety.

Technical Specifications

Insulation Strips:PA66 GF25 (25% glass fiber reinforced polyamide)
Strip Widths:14.8mm, 18mm, 24mm, 28mm, 34mm, 39mm, 45mm
Quality Test:Transverse tensile and shear resistance test per EN 14024 / GB/T 5237.6

Key Equipment & Features

  • Precision knurling machine ensuring high mechanical interlocking strength
  • Three-stage progressive profile rolling crimping
  • Batch shear strength laboratory testing with digital load cell recording
Quality & Assembly

Assembly & Custom Export Packaging

Sub-assembly integration, hardware installation, and heavy-duty seaworthy export packing tailored to container shipping.

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We support component pre-assembly, hardware fitting (locks, handles, hinges, rollers), and protective packaging. Completed sub-assemblies reduce client on-site labor and eliminate missing hardware issues.

Our packaging engineering team designs customized protective packing methods—including protective film on visible surfaces, desiccants, non-scratch foam interleaving, and steel-reinforced fumigated wooden crates—ensuring damage-free sea freight arrival.

Technical Specifications

Packaging Types:Shrink wrap, PE protective film, Kraft paper, EPE foam, Plywood crates, Steel stillages
Container Optimization:CAD container loading plans for 20GP, 40GP, 40HQ, and 45HQ
Traceability:Individual product barcoding, master bundle labeling, and export packing lists

Key Equipment & Features

  • Hardware and gasket pre-assembly with operational testing
  • Custom palletizing designed for forklift and overhead crane offloading
  • Solid fumigated wood compliant with ISPM 15 export regulations
Custom Engineering & DFM Review

Have a Project with Complex Machining Requirements?

Send us your CAD drawings (STEP, IGES, DXF, DWG) for a comprehensive DFM manufacturability evaluation and competitive manufacturing proposal.

STEP / IGES / DWG / PDF
Strict NDA & IP Protection
Fast Tooling Turnaround