Whether you need aluminum extrusion enclosures, CNC machined aluminum housings, guide rails, sliding rails, heat sink profiles, LED housings, mounting brackets, frame components, clamp parts, or custom OEM extrusion-based components, VMT provides reliable prototyping and production solutions to meet your specific application requirements.
With rich experience serving OEM manufacturers, product developers, equipment manufacturers, electronics brands, automation companies, robotics companies, lighting manufacturers, communication equipment suppliers, and industrial hardware customers, we help turn your aluminum extrusion profile designs, assembly concepts, and functional requirements into high-quality precision machined parts. Our CNC milling, CNC turning, drilling, tapping, slotting, cutting, deburring, surface finishing, and rapid prototyping capabilities ensure each aluminum extrusion machined part meets your requirements for dimensional accuracy, hole position, thread quality, groove precision, assembly fit, surface appearance, and production consistency.
We provide flexible material and surface finish options to help you balance strength, lightweight design, corrosion resistance, thermal performance, cost control, and appearance. From concept development and prototype validation to small-batch production and large-scale manufacturing, VMT helps you shorten lead times, reduce machining and assembly risks, improve product reliability, and bring high-quality custom CNC machined aluminum extrusion parts to market faster.
Aluminum Extrusion CNC Machining Challenges & VMT Solutions
Aluminum extrusion profiles provide an efficient starting structure, but they often cannot meet final product requirements without precision CNC machining. Holes, slots, threads, grooves, cutouts, mounting faces, cosmetic surfaces, and assembly areas all require careful process control. VMT reviews your extrusion profile, drawing, tolerance, surface finish, and assembly requirements before production, helping reduce deformation, burrs, misalignment, appearance defects, and batch inconsistency from prototype to mass production.

Extrusion tolerance cannot meet final assembly accuracy.
Holes, slots, and connector openings may not align with mating parts.

Thin walls, long profiles, or complex cavities may deform during machining.
Long aluminum extrusion parts may vibrate or bend during cutting and machining.

Burrs around holes, slots, cutouts, and end faces can affect assembly and safety.

Visible surfaces may be scratched or damaged before anodizing or coating.
Anodizing or coating color may be inconsistent in batch production.

Prototype parts pass, but mass production quality becomes unstable.
Machined features may affect product function, sealing, heat dissipation, or installation.
Custom Parts Made from CNC Machined Aluminum Extrusions
VMT has provided custom CNC machined aluminum extrusion parts for more than 1,000 customers. These parts feature precise holes, slots, threads, surfaces, and inspection standards, making them ready for direct assembly. From prototyping to mass production, VMT provides engineering review, precision CNC machining, inspection, and assembly solutions to reduce risks and improve product consistency.

CNC Extruded Aluminum Enclosures
VMT machines aluminum extrusion enclosures with connector openings, screw holes, ventilation holes, cover grooves, internal slots, and cosmetic surfaces for electronics, control modules, communication devices, and industrial equipment.
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CNC Aluminum Extrusion Housings
We manufacture custom CNC machined aluminum housings from extrusion profiles for sensors, power supplies, controllers, instruments, LED products, and OEM devices that require stable assembly and a clean appearance.
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CNC Machined Aluminum Rails
VMT machines aluminum guide rails, sliding rails, linear rails, and positioning profiles with accurate holes, slots, end faces, and datum surfaces for automation equipment, robotics, and motion systems.
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CNC Aluminum Heat Sink Profiles
We machine extruded aluminum heat sink profiles with flat contact surfaces, mounting holes, cutouts, chamfers, and surface finishes to improve thermal contact, installation accuracy, and product reliability.
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CNC Extruded Aluminum Brackets
VMT produces CNC machined aluminum brackets from extrusion profiles, including mounting holes, threaded holes, chamfers, milled faces, and positioning features for equipment, frames, and structural support applications.
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CNC Aluminum Frame Components
We cut, drill, tap, deburr, and finish aluminum extrusion frame components for industrial machines, equipment structures, workstations, automation systems, and custom hardware assemblies.
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CNC LED Aluminum Housings
VMT manufactures CNC machined LED aluminum housings with lens grooves, mounting holes, heat dissipation surfaces, wire channels, end cover features, and anodized or powder-coated finishes.
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Custom CNC Aluminum Channels
We machine U-channel, C-channel, T-channel, and special aluminum extrusion profiles into custom parts with holes, slots, grooves, notches, cutouts, and assembly features.
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Aluminum Clamps and Fixture Parts
VMT machines aluminum extrusion-based clamps, fixture blocks, locating parts, and support components with clamping slots, threaded holes, contact faces, and positioning surfaces.
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OEM Extrusion-Based Components
For OEM projects, VMT can manufacture custom CNC machined aluminum extrusion parts according to your drawings, samples, product structure, assembly needs, surface finish requirements, and production quantity.
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Need a Custom Aluminum Extrusion Machined Part?
Send us your 2D drawings, 3D files, extrusion profile drawings, samples, or application requirements. VMT will review your design and provide a practical CNC machining solution for prototype or mass production.
Applications of CNC Machined Aluminum Extrusion Parts
CNC machined aluminum extrusion parts are widely used in products that require lightweight structure, stable assembly, good surface appearance, heat dissipation, and reliable batch production. VMT helps customers turn extrusion-based designs into finished components for real product applications across electronics, industrial equipment, automation, lighting, robotics, and OEM manufacturing.






100+
Sets of Machine
120+
Countries Shipped
100,000+
Parts Manufactured
Manufacturing Process for CNC Machined Aluminum Extrusion Parts
VMT provides a complete manufacturing process from extrusion profile review to CNC machining, surface finishing, inspection, and protective packaging. Our goal is to help customers turn aluminum extrusion-based designs into precision machined, assembly-ready parts with stable quality from prototype to mass production.

1. Upload Drawings or Samples
Customers send 2D drawings, 3D files, extrusion profile drawings, samples, material requirements, surface finish requirements, tolerance requirements, quantity, and application information.

2. Engineering Review & DFM Feedback
VMT reviews the extrusion profile structure, wall thickness, machining allowance, datum selection, tolerance, surface finish, functional areas, and assembly risks before production.

3. Aluminum Extrusion Profile Preparation
According to the project requirements, aluminum extrusion profiles are produced or sourced based on the required material, cross-section structure, profile size, and machining allowance.

4. Cutting and Pre-Machining Preparation
The aluminum extrusion profiles are cut to rough length or required length, and stable positioning datums are prepared for CNC machining to improve accuracy and consistency.

7. Surface Preparation
Before finishing, VMT checks and prepares machined surfaces to reduce visible tool marks, scratches, burrs, and surface defects that may affect anodizing, coating, polishing, or final appearance.

10. Protective Packaging and Delivery
Finished aluminum extrusion machined parts are cleaned, separated, protected, packed, and shipped according to part length, surface finish, weight, cosmetic requirements, and transportation risks.

5. CNC Precision Machining
VMT machines holes, slots, threads, grooves, cutouts, connector openings, ventilation holes, mounting faces, end faces, chamfers, and other custom features according to the drawing.

8. Surface Finishing
Based on the product requirements, VMT can support anodizing, hard anodizing, black anodizing, clear anodizing, sandblasting, brushing, polishing, powder coating, laser marking, and other surface finishes.
From Prototype to Mass Production
Whether you need one prototype, a small batch, or mass production, VMT follows a controlled manufacturing process to reduce machining risk, improve assembly fit, protect surface appearance, and maintain stable batch consistency. Send your drawings or aluminum extrusion profile requirements to VMT. Our engineering team will review your project and provide a practical manufacturing solution for your custom CNC machined aluminum extrusion parts.

6. Deburring and Edge Control
Burrs around holes, slots, cutouts, threaded holes, and end faces are removed through controlled deburring, chamfering, and edge breaking to improve safety, appearance, and assembly performance.

9. Quality Inspection
VMT inspects key dimensions, length, hole position, thread quality, slots, grooves, flatness, straightness, burrs, surface appearance, coating quality, and critical assembly features before shipment.
CNC Machining Capabilities for Aluminum Extrusion-Based Parts

DFM Review Before Aluminum Extrusion CNC Machining
Before production starts, VMT provides DFM review for custom CNC machined aluminum extrusion parts to help customers reduce machining risks, assembly problems, surface defects, and mass production inconsistency. We review your extrusion profile, drawings, tolerance requirements, material, surface finish, functional areas, and assembly structure to find potential issues before they affect cost, delivery, or final product quality.
| Extrusion Profile Structure Review |
VMT checks whether the aluminum extrusion profile shape is suitable for CNC machining, clamping, surface finishing, and final assembly. This helps reduce the risk of deformation, poor positioning, difficult machining, or unstable batch production. |
| Wall Thickness and Deformation Risk |
Thin walls, deep cavities, long profiles, and uneven structures may deform during CNC machining. VMT reviews wall thickness, support areas, cutting force, and clamping method to improve dimensional stability and reduce scrap risk. |
| Machining Allowance Review |
Not every surface of an extrusion profile needs CNC machining, but critical areas must have enough machining allowance. VMT identifies which holes, slots, grooves, end faces, mounting surfaces, and datum areas require precision machining control. |
| Datum and Fixture Planning |
Accurate datum selection is important for hole position, slot alignment, threaded holes, and assembly fit. VMT reviews how the part should be positioned, clamped, and machined to reduce repeated clamping errors and improve consistency. |
| Tolerance Requirement Review |
Some dimensions can follow extrusion tolerance, while critical assembly areas require CNC machining tolerance control. VMT helps customers review which tolerances are necessary, which may increase cost, and which can be optimized for better manufacturability. |
| Hole, Slot, and Thread Design Review |
VMT checks hole spacing, slot width, threaded hole depth, screw positions, connector openings, and clearance areas before machining. This helps prevent assembly interference, weak structures, broken taps, burr problems, and poor screw fitting. |
| Surface Finish and Cosmetic Area Review |
Visible surfaces need special attention during machining, deburring, finishing, inspection, and packaging. VMT reviews anodizing, powder coating, brushing, polishing, laser marking, and cosmetic surface requirements to reduce scratches, color inconsistency, and finish rejection. |
| Functional Area Review |
For parts used in housings, heat sinks, rails, brackets, frames, and equipment components, VMT reviews contact surfaces, heat transfer areas, sealing grooves, sliding areas, mounting faces, and mating parts to improve final product performance. |
| Inspection Plan Review |
Before production, VMT defines key inspection points such as length, hole position, thread quality, flatness, straightness, burr control, surface appearance, and coating quality. Inspection reports can be provided for prototype approval and batch production when required. |
| Cost and Production Optimization |
DFM review also helps customers reduce unnecessary machining steps, avoid overly tight tolerances, improve fixture efficiency, simplify surface finish requirements, and choose a more practical production method. This supports faster prototyping, smoother mass production, and better cost control. |
With VMT's DFM support, customers can identify design and manufacturing risks early, improve assembly reliability, reduce production delays, and move from prototype to mass production with more confidence.
Aluminum Materials for Extrusion-Based CNC Machined Parts
Choosing the right aluminum material is important for strength, machinability, surface appearance, corrosion resistance, heat dissipation, weight, and cost. VMT helps customers review the material grade, extrusion profile structure, CNC machining requirements, surface finish, and final assembly application before production, so the finished parts can meet both functional and appearance requirements.

CNC Aluminum 6061 Extrusion Machined Parts
Aluminum 6061 offers good strength, machinability, corrosion resistance, and overall stability, making it suitable for CNC machined aluminum extrusion housings, brackets, rails, frames, equipment components, and structural parts.
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CNC Aluminum 6063 Extrusion Machined Parts
Aluminum 6063 has excellent extrusion performance and good surface appearance, making it a common choice for aluminum enclosures, LED housings, decorative profiles, electronic housings, frame components, and visible product surfaces.
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CNC Aluminum 6005A Extrusion Machined Parts
Aluminum 6005A is suitable for stronger extrusion profiles and structural applications that require better load capacity, corrosion resistance, and stable performance. It is often used for frames, rails, brackets, equipment structures, and outdoor aluminum components.
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CNC Aluminum 6082 Extrusion Machined Parts
Aluminum 6082 provides higher mechanical strength than many standard extrusion alloys and is suitable for aluminum extrusion-based parts that require stronger structural performance, good machinability, and reliable assembly strength.
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Custom CNC Aluminum Extrusion Profiles
For OEM products, VMT can manufacture CNC machined parts from custom aluminum extrusion profiles designed around your product structure, installation method, appearance requirements, heat dissipation needs, and assembly function.
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Material Selection Support
Different aluminum grades can affect CNC machining stability, anodizing appearance, part strength, thermal performance, corrosion resistance, and total production cost. VMT can help review your drawings, working environment, tolerance requirements, surface finish, and application needs to recommend a practical material solution.
Whether your project requires lightweight design, better surface appearance, higher strength, improved heat dissipation, or cost-effective batch production, VMT helps turn the right aluminum extrusion material into precision CNC machined, assembly-ready parts.
Surface Finishes for CNC Machined Aluminum Extrusion Parts
Surface finishing is an important step after CNC machining aluminum extrusion parts. It not only improves appearance, but also affects corrosion resistance, wear resistance, coating thickness, color consistency, assembly fit, and product life. VMT helps customers choose suitable surface finishes according to the part function, working environment, cosmetic requirements, and batch production needs.

Anodizing
Anodizing is widely used for CNC machined aluminum extrusion parts to improve corrosion resistance, surface hardness, and appearance. VMT can support clear anodizing, black anodizing, and custom color anodizing for enclosures, housings, rails, brackets, heat sinks, and visible aluminum components.

Hard Anodizing
Hard anodizing provides better wear resistance and surface protection for aluminum extrusion parts used in contact, sliding, clamping, or industrial applications. It is suitable for parts that require stronger durability, improved abrasion resistance, and longer service life.

Black Anodizing
Black anodizing is commonly used for electronics, communication devices, optical equipment, LED housings, industrial products, and premium visible components. VMT controls machining marks, surface preparation, handling, and packaging to help improve the final black anodized appearance.

Clear Anodizing
Clear anodizing keeps the natural metallic appearance of aluminum while improving corrosion resistance and surface protection. It is suitable for aluminum extrusion enclosures, frames, rails, housings, and structural components that need a clean and professional look.

Sandblasting / Bead Blasting
Sandblasting or bead blasting creates a uniform matte surface before anodizing or coating. This finish helps reduce visible machining marks, improves surface texture, and gives CNC machined aluminum extrusion parts a more consistent appearance.

Brushing
Brushing creates a directional metal texture on visible aluminum surfaces. It is often used for product housings, control panels, covers, decorative parts, and consumer or industrial devices that require a refined metal appearance.

Polishing
Polishing improves surface smoothness and brightness for decorative or customer-facing aluminum parts. It can help improve the visual quality of CNC machined aluminum extrusion components before final finishing or assembly.

Powder Coating
Powder coating provides strong surface protection, color options, and good durability for aluminum extrusion machined parts used in outdoor, industrial, lighting, equipment, and structural applications. It helps improve corrosion resistance and product appearance.

Laser Marking
Laser marking can be used to add logos, part numbers, QR codes, serial numbers, orientation marks, and traceability information. It is suitable for OEM parts, electronic housings, equipment components, and batch production parts that require identification.
Quality Inspection for CNC Machined Aluminum Extrusion Parts
Quality inspection is essential for CNC machined aluminum extrusion parts because the final product must not only meet dimensional requirements, but also fit smoothly during assembly, maintain stable appearance, and remain consistent from prototype to mass production. VMT controls quality through engineering review, in-process inspection, final inspection, and shipment inspection to help customers reduce assembly risk, cosmetic rejection, and batch variation.

Material Verification
Before production, VMT checks the aluminum material grade, project requirements, surface finish needs, and application conditions to reduce the risk of wrong material selection and unstable machining performance.
Profile Dimension Inspection
Aluminum extrusion profiles are checked for key dimensions such as profile shape, wall thickness, length, cavity structure, and reference surfaces before CNC machining. This helps ensure the extrusion profile has enough allowance and stability for secondary machining.

CNC Machined Feature Inspection
After CNC machining, VMT inspects holes, slots, threads, grooves, cutouts, connector openings, ventilation holes, mounting faces, end faces, and chamfers according to the drawing requirements.
Hole Position Inspection
Mounting holes and connector holes directly affect final assembly. VMT checks critical hole patterns with CMM, pin gauges, custom fixtures, or other inspection tools when required, helping reduce misalignment and assembly rework.

Thread Quality Inspection
Threaded holes are inspected with thread gauges to confirm screw fit, thread depth, and assembly reliability. This helps prevent loose assembly, difficult screw installation, or thread failure during customer production.
Flatness and Straightness Inspection
For long aluminum extrusion parts, rails, housings, frames, and mounting components, VMT inspects flatness, straightness, and key contact surfaces to improve assembly stability and reduce gaps, rocking, or poor fitting.

Burr and Edge Inspection
Burrs around holes, slots, openings, grooves, and cut edges can affect assembly, safety, and appearance. VMT checks deburring quality, chamfers, edge breaking, and sharp edges before shipment.
Surface Appearance Inspection
Visible surfaces are inspected for scratches, dents, tool marks, stains, anodizing defects, coating problems, color variation, and handling damage. This is especially important for aluminum enclosures, housings, LED parts, and customer-facing products.

Surface Finish and Coating Inspection
For anodizing, hard anodizing, powder coating, brushing, polishing, sandblasting, and laser marking, VMT checks finish appearance, color consistency, surface texture, marking position, and customer-approved sample requirements.
Functional and Assembly Area Inspection
For parts used in housings, rails, brackets, heat sinks, frames, and equipment components, VMT focuses on functional areas such as sealing grooves, sliding surfaces, heat transfer surfaces, screw positions, cover grooves, connector openings, and mating surfaces.

Final Inspection Report
When required, VMT can provide inspection reports for prototypes, pilot runs, and mass production. Reports can include key dimensions, tolerances, surface finish requirements, thread inspection, hole position, and other critical quality items.
Shipment Inspection
Before delivery, VMT performs final checks on part quantity, appearance, packaging protection, labels, and customer requirements to reduce shipping damage, missing parts, scratches, and delivery-related quality issues.

Quality Control for Stable Production
VMT does not only inspect finished parts after machining. We control quality throughout the full process, including material review, CNC machining, deburring, surface finishing, inspection, and packaging. This helps customers receive aluminum extrusion machined parts with better fit, cleaner appearance, and more stable batch quality.
With VMT’s quality inspection process, customers can reduce assembly problems, improve product reliability, speed up part approval, and move from prototype to mass production with greater confidence.
Packaging for CNC Machined Aluminum Extrusion Parts

Proper packaging helps protect CNC machined aluminum extrusion parts from scratches, dents, deformation, mixed parts, and shipping damage. VMT selects suitable packaging methods based on part structure, surface finish, precision features, and transportation requirements.
With protective packaging, VMT helps customers reduce shipping damage, protect finished surfaces, maintain precision features, and receive CNC machined aluminum extrusion parts in better condition.

Case Study: Custom CNC Machined Aluminum Extrusion Housing for an Industrial Controller
Project Background:
An industrial automation equipment manufacturer needed a custom aluminum connector housing for a compact control module. The part required stable connector fit, accurate mounting holes, reliable thread locking, and a clean anodized surface.
Project Challenge: Before working with VMT, the customer’s batch parts had hole position deviation, unstable thread quality, and visible surface scratches, causing difficult assembly, repeated rework, and delayed small-batch production.
VMT Solution: After reviewing the 2D drawings, 3D model, mating structure, thread depth, sealing groove, and anodizing requirements, VMT optimized the machining sequence, reduced repeated clamping, controlled key datum surfaces, and added in-process inspection for holes and threads.
Project Result:
VMT controlled key hole positions within ±0.01 mm, inspected critical threads with 100% thread gauges, and checked key dimensions before shipment. The customer achieved smoother assembly, more stable connector fit, better surface appearance, and fewer rework issues in batch production.

Why Choose VMT for CNC Machined Aluminum Extrusion Parts?
| VMT Advantages |
VMT Solution |
| Engineering DFM Support |
Reduce design, machining, finishing, and assembly risks before production. |
| CNC Precision Machining |
Control holes, slots, threads, grooves, openings, and mounting faces. |
| Extrusion-Based Part Experience |
Better control of deformation, burrs, datum accuracy, and surface appearance. |
| Prototype to Mass Production |
Support sample validation, pilot runs, and stable batch production. |
| Surface Finish Coordination |
Improve anodizing, coating, appearance consistency, and corrosion resistance. |
| Inspection Reports Available |
Help customers approve parts faster and reduce incoming inspection pressure. |
| Protective Packaging |
Reduce scratches, dents, deformation, and shipping damage during international delivery. |

We customize production schedules for various projects to ensure we meet your CNC computer equipment machining parts needs.
| Project Type |
Turnaround Time |
| Urgent high-Precision Samples |
24-Hour Delivery |
| CNC Prototype Manufacturing |
Simple Parts: 1–3 days,Complex Parts: 3–7 days |
| Molding Requirements |
Mold Production: Completed in 5 days, with samples delivered within 7 days. |
| High-Volume Production |
Lead Times: Depend on part complexity, with typical delivery within 2–4 weeks, always meeting customer deadlines. |
For projects with urgent deadlines, please contact us immediately for expedited processing.
What Our Clients Say: Trusted by OEM Customers for Extrusion-Based CNC Machined Parts

Electronics Customer
“VMT helped us solve hole alignment and anodizing appearance problems on our aluminum extrusion housing. The parts assembled more smoothly and the batch quality became more stable.”

Industrial Automation Customer
“Our aluminum rail components required accurate slot position and clean edges. VMT optimized the machining process and reduced burrs, which improved our assembly efficiency.”

Lighting Equipment Customer
“The LED aluminum housing needed both heat dissipation and a clean surface finish. VMT controlled the CNC machining and surface treatment well from prototype to production.”
Are you selling standard aluminum extrusion profiles?
No. VMT focuses on custom CNC machined aluminum extrusion parts. We help customers turn extrusion profiles into finished, surface-treated, inspection-ready parts for real assembly applications.
Can you produce parts based on custom aluminum extrusion profiles?
Yes. We can review your extrusion profile drawing, 2D/3D files, samples, and assembly requirements, then provide CNC machining, surface finishing, inspection, and packaging solutions.
Can you machine holes, slots, threads, grooves, and openings after extrusion?
Yes. VMT provides CNC milling, drilling, tapping, slotting, cutting, chamfering, and deburring to create accurate functional features after the extrusion profile is produced.
How do you reduce deformation when machining aluminum extrusion parts?
We review wall thickness, profile structure, clamping method, cutting force, toolpath, and machining sequence. Proper fixtures and process control help reduce deformation and improve dimensional stability.
How do you control hole position accuracy on aluminum extrusion parts?
We define stable machining datums, optimize fixture positioning, reduce repeated clamping where possible, and inspect critical hole patterns with gauges, custom fixtures, or CMM when required.
How do you improve assembly fit for aluminum extrusion housings?
We review PCB position, cover grooves, connector openings, screw holes, mating parts, and mounting faces before machining to reduce interference, misalignment, and assembly rework.
How do you control burrs around holes and slots?
We use controlled deburring, chamfering, edge breaking, and final inspection to reduce burrs around holes, slots, openings, and cut edges.
Can you support anodizing or other surface finishes after CNC machining?
Yes. VMT can support anodizing, hard anodizing, black anodizing, clear anodizing, sandblasting, brushing, polishing, powder coating, laser marking, and other finishes based on product requirements.
How do you protect visible aluminum surfaces from scratches?
We control handling, surface preparation, cleaning, finishing, inspection, and packaging. For cosmetic parts, we can use protective film, foam separation, soft wrapping, poly bags, or trays.
Can you support prototypes and mass production?
Yes. VMT supports prototype machining, small-batch production, and mass production. We provide DFM review, CNC machining, surface finishing, inspection, and packaging support to improve production consistency.
2024-08-02
The manufacturer is strongly recommended. In the past few years of cooperation we have ordered several machined products from aluminum and stainless steel. These products are manufactured in compliance with tolerance requirements and require product finish. Now I have ordered another one. The service is excellent and any questions can be answered and resolved in time.
2021-05-13
The dimensions are all customized according to my drawings no tolerance issues and the parts are delivered on time. I am very satisfied with it.
2021-04-06
I pay much attention to the surface treatment aspect of this product. I was a little worried about the cooperation at the beginning. I am very satisfied with the product now and hope to cooperate for a long time.
2022-09-22
AN8 Straight PTFE Hose End Fitting for PTFE Fuel Line Fitting Adapter Black Blue Red