Custom CNC Aluminum Parts Manufacturer & Suppliers

Decades of Engineering Excellence: Advanced CNC Machining, High-Precision Extrusion, and Surface Treatment Solutions for Global Industry Applications.

Featured Custom CNC Machined Parts

Explore our advanced catalog of high-tolerance aluminum components engineered for critical applications.

OEM Aluminum hinge with trembled surface assembled for skylight
OEM Aluminum hinge with trembled surface assembled for skylight 2 Factories, Products
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ODM Aluminum part for metro train door
ODM Aluminum part (hanging kit closing type) for metro train door- CNC machining part in 6063-T6 Alloy with glass sand blasting and clear anodize Suppliers, Pricelist
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High-Quality Aluminum extrusion profile for curtain wall
High-Quality Aluminum extrusion profile with pre-drilled holes for curtain wall with black anodize Manufacturer, Quotes
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High-Quality Aluminum supports for Solar panel
High-Quality Aluminum supports for Solar panel in 6063-T6 aluminum alloy with shiny anodize Manufacturer, Pricelist
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OEM Rope connector-Aluminum climbing accessories
OEM Rope connector-Aluminum climbing accessories in 7075 alloy with blue anodize Factories, Quotes
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ODM Aluminum hinge for skylight
ODM Aluminum hinge with trembled surface assembled stainless steel axis for skylight Suppliers, Factories
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High-Quality 6063-T5 painted case of hard disk
High-Quality 6063-T5 painted case of hard disk with sink screen print Manufacturer, Suppliers
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Custom Glass door connector-cnc machining parts
Custom Glass door connector-cnc machining parts in 6063-T5 alloy with sandblast & clear anodize Quotes, Products
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Foshan Golden Source: Decades of Precision Manufacturing

Established in 1991, Foshan Golden Source Precision Manufacturing Co., Ltd has developed into an industry-leading manufacturer specializing in high-strength, high-precision customized aluminum profiles, structural fabrications, and complex CNC machined parts. Operating out of a state-of-the-art, ecologically certified 73,000 square meter facility, we serve as a comprehensive single-source partner for tier-one industrial operations worldwide.

Our vertically integrated production capabilities encompass the entire manufacturing lifecycle: from proprietary alloy formulation and casting to in-house mold R&D, structural extrusion, precision multi-axis CNC machining, structural welding, final assembly, and specialized surface finishes. This holistic approach eliminates external logistical points of failure, ensuring rigorous quality controls and compressed lead times.

By leveraging certified quality systems including ISO9001, ISO14001, ISO45001, RCV, and GRS (Global Recycled Standard), we deliver engineering components that easily comply with global regulatory frameworks such as EU REACH, RoHS, and modern ESG (Environmental, Social, and Governance) parameters. We run structural grades spanning the 1XXX, 3XXX, 5XXX, 6XXX, and 7XXX alloy groups, tailored specifically for hardware tools, 3C electronics, railway transit, automotive, construction, and high-performance outdoor equipment.

Download Engineering Catalogue
Foshan Golden Source Factory Floor and Precision Extrusions
1991
Year Established
73k+ m²
Modern Production Area
5+
Global Certifications (GRS, ISO)
1XXX-7XXX
Alloy Series Handled

Global Procurement Demands & Material Engineering

Procurement directors and engineers require components that meet rigorous mechanical metrics. Choosing the correct aluminum alloy determines the tensile threshold, anodizing performance, and longevity of the product.

Material Chemical Customization

We melt raw alloy in-house, enabling precise adjustment of constituent elements (such as Silicon, Magnesium, and Manganese levels). This guarantees consistent grain structures, maximizes mechanical strength, and provides the purity required for optical-grade anodizing without surface blemishes.

Precision Tolerances & Tooling

Our machining facilities implement multi-axis CNC centers that operate within tolerance limits of ±0.01mm. By controlling the mechanical interface between high-speed spindles and optimized tooling, we eliminate tool deflection, ensuring tight geometric tolerances and flawless feature alignments.

Surface Integrity & Anodization

From micro-bead blasting to type-III hard coat anodizing, satin anodizing, and multi-color powder coating, our surface treatment procedures are carried out in-house. This guarantees superior salt spray performance, UV stability, and wear resistance for challenging operating environments.

Why Lead Supply Chains Through China's Premier Manufacturing Hubs

Global logistics and sourcing profiles demand high reliability, cost efficiency, and strict regulatory adherence. Sourcing from our Foshan facilities provides significant operational advantages:

  • Industrial Clustering: Foshan stands as a leading global cluster for aluminum manufacturing. This delivers unparalleled access to raw materials, die development engineering, specialized auxiliary processing, and skilled technicians, significantly lowering overhead costs.
  • Complete In-House Verification: Because we execute casting, extruding, machining, finishing, and testing under a single quality control system, we mitigate the risk of quality disputes between disparate suppliers.
  • Regulatory and Green Logistics: With GRS and RCV certifications, our processes utilize clean manufacturing standards that align with EU carbon policies (CBAM) and strict eco-audits. This simplifies global distribution and avoids tariff penalties.

Additionally, we maintain custom logistics pathways, offering DDP, CIF, and FOB shipping configurations along with detailed QA documents (including raw material reports and First Article Inspections) to streamline inbound warehousing for major OEMs.

Eco-Compliance & Standards

Our manufacturing pipeline complies with:
GRS (Global Recycled Standard)
EU REACH Regulations
RoHS Directives
ISO 9001:2015 Quality Systems
ISO 14001:2015 Environmental Systems
ISO 45001:2018 Occupational Health & Safety

Alloy Series Selection & Engineering Standards

A comparison of common aluminum alloys used in our CNC machining and extrusion processes.

Alloy Grade Main Alloying Elements Tensile Strength (MPa) Machinability Profile Optimal Application Environments
6063-T5 / T6 Magnesium, Silicon 180 - 240 Excellent finishing response Structural framing, enclosures, architectural trim, consumer electronics.
6061-T6 Magnesium, Silicon, Copper ≥ 290 High structural machinability Automotive components, structural brackets, marine hardware.
7075-T6 Zinc, Magnesium, Copper ≥ 540 Very high hardness, chip control High-load structural connections, aerospace fixtures, climbing hardware.
5XXX Series (e.g. 5052) Magnesium 190 - 260 Good corrosion weldability Marine sheet fabrication, pressure vessels, chemical processing parts.

Localized Application Scenarios

Our custom-engineered aluminum components are utilized across diverse global industries, proving their durability in demanding environments.

Mass Transit & Infrastructure

For high-speed transit networks, lightweight structures are vital. Our CNC-machined structural parts, such as railcar door guides and interior chassis elements, reduce deadweight and withstand millions of mechanical cycles without structural fatigue.

Solar & Renewable Energy

Solar panels require outdoor structural mounts that resist harsh weather. Our 6063-T6 clear anodized structural profiles provide exceptional corrosion resistance and mechanical integrity in high-wind and coastal environments.

Consumer & IT Hardwares

For electronics like custom hard-disk enclosures, portable mechanical keyboards, and smart cases, aesthetics must match mechanical precision. We supply clean sandblasting, silkscreen printing, and color anodizing to meet strict consumer standards.

Our Primary Advantages

How we optimize material composition, maintain product quality, and accelerate product delivery.

01

Material Properties

We melt the alloy in house so that we can adjust the compositions to achieve the best physical properties of extrusion profiles, best purity of alloy for high quality anodizing.

02

Product Quality

Machining and surface treatment are done in house will better quality control and saving production costs so that the unit price for product will be lower. Even if the same price as other factory, our quality will be much superior.

03

Fast Delivery

"One-stop" manufacturing capacity will provide faster delivery to customers. Eliminating external logistics points of failure ensures highly compressed delivery times.

Industry Recognition & Accreditations

ISO9001, ISO14001, 45001, GRS, and RCV certified. We hold various awards and certificates for clean production, creditworthiness, superior quality, and technical leadership awarded by municipal and national organizations.

Quality & Environmental Certificates

Quality Certificate 1
Quality Certificate 2
Quality Certificate 3
Quality Certificate 4
Quality Certificate 5
Quality Certificate 6
Quality Certificate 7
Quality Certificate 8

Corporate Awards & Honors

Corporate Award 1
Corporate Award 2
Corporate Award 3
Corporate Award 4
Corporate Award 5

Technical & Procurement FAQ

Answers to common engineering and commercial questions regarding our CNC aluminum manufacturing processes.

What dimensional tolerances can you achieve on custom CNC machined aluminum parts?
For standard custom CNC milling and turning operations, we maintain general tolerances of ±0.05mm to ISO 2768-m. For critical dimensions, our high-precision machining centers can hold tolerances as tight as ±0.01mm. The achievable tolerance depends on the part geometry, material grade, and tooling setup.
Why is the GRS (Global Recycled Standard) certification important for our supply chain?
The GRS certification verifies the recycled content of our aluminum products, tracing the material from source to finished part. This helps global businesses comply with modern ESG initiatives, trace scope 3 emissions, and bypass carbon taxes when importing into regions with strict environmental regulations like the European Union.
Which surface finishes do you provide in-house for CNC machined aluminum profiles?
We offer a wide range of surface treatments in-house, including mechanical finishing (polishing, brushing, satin finishing, glass bead sandblasting), chemical processes (natural anodizing, clear/color anodizing, hard anodizing), and coating solutions (powder coating in various RAL colors, screen printing, and painting). Doing this in-house ensures consistent quality and cost control.
How does in-house alloy melting benefit the overall product quality?
In-house melting allows us to control the exact chemical composition of our alloys before extrusion or machining. By minimizing trace impurities (such as iron or copper anomalies), we optimize mechanical properties like tensile strength and elongation. This also ensures a clean surface structure for consistent anodizing results.
What quality documentation is provided with our orders?
We supply comprehensive documentation packages with our shipments, including Mill Test Reports (MTR), Certificate of Conformance (CoC), dimensional inspection reports (using CMM measurement data), and First Article Inspection (FAI) reports when requested during the tooling setup phase.
What are your minimum order requirements (MOQ) for custom profile extrusion and CNC machining?
MOQs depend on the size of the profile and processing requirements. For custom extrusion runs, typical minimums start at 500kg to 1000kg per batch, depending on the tool size. For standalone CNC machining projects, we can accommodate prototypes as well as large-scale production orders. Contact our sales team for a custom quote.

More Custom Extruded & Machined Products

Browse our remaining product range, featuring structural cabinet frames, architectural extrusions, and outdoor equipment components.

High-Quality Aluminum frames for kitchen cabinet
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High-Quality Aluminum structural frames for kitchen cabinet
High-Quality Aluminum structural frames for kitchen cabinet-machined extrusions in 6063-T5 alloy with brush & clear anodize Suppliers, Factories
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Custom Aluminum swimming pool ladder
Custom Aluminum swimming pool ladder in high strength 6063-T6 alloy with natural anodize Manufacturers, Pricelist
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Custom Aluminum body for stylish portable keyboard
Custom Aluminum body for stylish portable keyboard-stamping part in 6063-T6 alloy with sandblasting and satin anodize Factories, Pricelist
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ODM Aluminum structural frames for kitchen cabinet
ODM Aluminum structural frames for kitchen cabinet-machined extrusions in 6063-T5 alloy with multiple powder coating colors Factory, Quotes
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High-Quality Aluminum part for electric self-walking luggage
High-Quality Aluminum part for stylish electric self-walking luggage-stamping part in 6063-T5 alloy with sandblasting & anodizing Supplier, Product
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OEM Aluminum frame for mirror
OEM Aluminum frame for mirror in 6063-T5 alloy with multiple anodizing colors Factory, Products
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OEM Aluminum stamping part
OEM Aluminum stamping part with brush and anodize Pricelist, Product
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