China 40mm Aluminium Extrusion Product & Service

High-Precision Modular Profiles & Professional Industrial Solutions Supported by E&I Aluminum Industry

⚡ Featured 40mm & Industrial Aluminium Profiles

Explore our precision-engineered structural extrusion profiles, designed for demanding automation, manufacturing, and framing projects.

EI ENI-8-4040B aluminum profile

EI ENI-8-4040B aluminum profile, slot width 8mm, can be used to make climbing ladders

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EI Aluminum profile ENI-8-40160B

EI Aluminum profile ENI-8-40160B can be used as a storage rack for automobile repair shops

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China ENI-6-6630 aluminum profile

China ENI-6-6630 aluminum profile can be used in lightweight frames, such as DIY computer desks, coffee tables, etc.

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China ENI-8-6630L aluminum profile

China ENI-8-6630L aluminum profile, which is an L-shaped aluminum profile with a cross-section of 60x60x30

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EI Industrial Aluminum Profiles ENI-6-2035

EI Industrial Aluminum Profiles ENI-6-2035 Anodized Machinable Lightweight Assembly Line Windows

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China Aluminum profile ENI-6-1515

China Aluminum profile ENI-6-1515, slot width 6mm, suitable for light frame structures

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High-Quality ENI-6-6060G aluminum profile

High-Quality ENI-6-6060G aluminum profile, suitable for frame combinations of heavy-duty structures

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EI Industrial aluminum profile E&I-8-4040R

EI Industrial aluminum profile E&I-8-4040R quarter-circle corrosion-resistant protective cover profile

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Chengdu E&I Aluminum Industry Co., Ltd.

Chengdu E&I Aluminum Industry Co., Ltd., in line with the business philosophy of "people-oriented, quality value, technological innovation, and win-win cooperation", is dedicated to the research and development and manufacturing of aluminum alloy products with high difficulty, high precision and high requirements.

Our strategic alignment with The National Institute of Nonferrous Metals provides us with a top-tier aluminum alloy technology research and development team in China's light alloy industry. This core expertise allows E&I to deliver holistic, engineered solutions covering high-precision extrusions, castings, and forgings. Equipped with state-of-the-art testing equipment, we guarantee quality that creates commercial value for global Fortune 500 companies in automotive, aviation, and industrial automation fields.

E&I Aluminum Factory Research & Development

🌐 The Global Landscape of 40mm Aluminium Extrusions

Why the 40mm (4040, 4080, 40120) series has become the backbone of modern industrial automation and structural design.

In the arena of modern engineering, modularity has superseded custom welded steel frames. The 40mm aluminium extrusion profile, with slot configurations of 8mm (such as the standard ENI-8-4040B or the robust ENI-8-40160B), represents the international sweet spot for weight-to-strength performance. Industrially mature markets across Europe, North America, and East Asia are shifting rapidly toward high-strength, flexible structural systems to minimize assembly time, eliminate hot-work permits, and optimize mechanical layouts.

Whether deploying complex safety guardrails, cleanroom enclosures, material handling racks, or heavy-duty robotic gantries, the 40mm T-slot and V-slot profiles offer unparalleled advantages. The anodized finish provides corrosion resistance, making these products vital for industries ranging from semiconductor manufacturing to heavy-duty logistics and automobile repair shop racking.

6063-T5
Standard Grade Alloy
≥ 12 μm
Anodizing Depth
500+
Global Partners
100%
Tension Tested

📈 Industry Trends & Global Procurement Drivers

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Factory 4.0 Integration

Smart factories require modular, sensor-ready framing. T-slots allow for seamless routing of wires, pneumatic lines, and sensory brackets directly inside the structure.

🌱

Sustainability & Recyclability

Aluminium is 100% recyclable. Global enterprises prioritizing ESG targets choose extruded profiles over painted steel to reduce carbon footprints and ensure material circularity.

Precision Engineering

Our strict alignment with national high-precision requirements ensures deviation tolerances are kept at a minimum, allowing perfect fits for linear guides and bearings.

China's Supply Chain Resiliency: The Chengdu E&I Advantage

As global supply chains face disruption, industrial procurement officers look for factories with integrated raw material sourcing, extrusion capacity, surface treatment (automatic anodizing and electrostatic spraying), and precision CNC post-processing. Chengdu E&I Aluminum Industry Co., Ltd. offers a one-stop industrial service. By handling everything from die-design to extrusion and final assembly of structural frames, we eliminate middleman overheads and ensure a resilient supply chain with reliable lead times.

Company Profile & Advanced Manufacturing Capability

Chengdu E&I Aluminum Industry Co., Ltd. provides a diverse production capacity for aluminum profile structural frames, clean sheds, workbenches, mechanical fences, solar supports, assembly lines, and automated storage equipment. We handle the process from initial custom design to final onsite installation support.

Our profiles feature high surface finish, extreme flatness, anti-loosening and shock resistance properties, and exceptional mechanical connection strength. This ensures long-term structural integrity even under heavy dynamic loads or vibratory environments.

E&I Extrusion Workshop & Equipment

Our Core Corporate Values

👤 People-Oriented

We treat our employees as our primary wealth, providing competitive environments for continuous innovation and professional growth.

💎 Quality Value

We deliver high-finish, high-precision products designed to create measurable economic value and process improvements for our clients.

🔬 Technological Innovation

We continually invest in R&D alongside the National Institute of Nonferrous Metals, securing a leading competitive position in the light alloy sector.

🤝 Win-Win Cooperation

Collaborating with clients, shareholders, and suppliers to establish long-term strategic value and shared economic development.

💡 Application Scenarios: 40mm Profiles in Action

From heavy automotive assembly lines to custom interior design, discover how the versatility of 40mm extrusions addresses diverse market segments.

Automotive & Heavy Industry

Using profiles like the ENI-8-40160B and ENI-8-4040LC, engineers create heavy-duty storage systems, engine assembly stations, and protective fencing that withstand severe industrial impacts.

Lightweight Frames & Commercial Space

Modern offices and design-focused spaces utilize the ENI-6-6630 profile to engineer high-end DIY computer desks, coffee tables, and contemporary sideboards featuring clean geometric lines.

Material Handling & Logistics

Mobility is key in lean manufacturing. Profiles like the ENI-8-4040GG form the structural chassis of mobile material trolleys, customized stair treads, and ergonomic assembly stations.

❓ Technical Q&A: Industrial Aluminum Extrusion

Essential technical insights on structural profiles to assist design engineers and procurement professionals.

What is the difference between 6mm and 8mm slot widths in 40mm profiles?
Slot width determines the size of the T-nuts, bolts, and accessories used for connections. 6mm slot widths (like the ENI-6-1515) are suited for lightweight frames, cleanroom windows, and decorative structures. 8mm slot widths (like the ENI-8-4040B) are the heavy-duty industrial standard, offering high pull-out strength for structural frames, ladders, and robotic enclosures.
Why is the 6063-T5/T6 alloy standard for industrial extrusions?
Alloy 6063 is optimized for extrudability while maintaining high tensile strength, excellent corrosion resistance, and a superior surface finish after anodizing. T5 tempering involves air cooling and artificial aging, whereas T6 tempering features water quenching to achieve higher yield and tensile limits for heavy-duty structural applications.
How does anodizing protect aluminum profiles in automotive or outdoor settings?
Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, and corrosion-resistant anodic oxide finish. A coating thickness of ≥ 10-12 μm protects the profile from oxidation, moisture, chemical exposure in automotive repair shops, and mechanical wear over decades of operation.
Can Chengdu E&I design custom extrusion profiles?
Yes. In partnership with the National Institute of Nonferrous Metals, we provide complete engineering support, including profile structural calculations, custom extrusion die manufacturing, surface treatment, precision CNC machining, and prototype testing.
What safety standards do your modular industrial profiles meet?
Our extrusion products are designed to meet global dimensional and mechanical standards, including EN 755, DIN EN 12020-2, and Chinese National Standards (GB/T 5237). This guarantees strict tolerances, predictable bending limits, and consistent material compositions.

🛠️ Professional & Heavy Duty Structural Profiles

Discover our wide-section and high-load capacity profiles, designed to handle heavy machinery and demanding load distributions.

High-Quality ENI-8-4040LC aluminum profile

High-Quality ENI-8-4040LC aluminum profile, groove width 8mm, cross-sectional size 40mm x 40mm

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EI ENI-8-40120 aluminum profile

EI ENI-8-40120 aluminum profile, suitable for frame combinations of heavy-duty structures

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High-Quality T-slot aluminum profile E&I-10-8080H

High-Quality T-slot aluminum profile E&I-10-8080H | High strength heavy duty industrial frame

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EI T-slot aluminum profile E&I-8-8080T

EI T-slot aluminum profile E&I-8-8080T | High strength frame for automation applications

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EI Industrial aluminum profiles E&I-8-4040D

EI Industrial aluminum profiles E&I-8-4040D anodized profiles with accessories

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Best ENI-8-4040GG aluminum profile

Best ENI-8-4040GG aluminum profile for material racks, mobile trolleys, and stair treads

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High-Quality ENI-10-9090 aluminum profile

High-Quality ENI-10-9090 aluminum profile, slot width 10mm, suitable for heavy-duty frames

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EI Industrial aluminum profile E&I-8-4060

EI Industrial aluminum profile E&I-8-4060 anodized heavy duty assembly line guardrail profile

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