EI Aluminium Extrusion Machine Factory & Factories

Precision Industrial Heavy-Duty Aluminum Profiles, Custom Structural Systems, and One-Stop Smart Factory Manufacturing Solutions

Company Overview

Chengdu E&I Aluminum Industry Co., Ltd.

Guided by our core values of "people-oriented, quality value, technological innovation, and win-win cooperation", we focus on the research, development, and manufacturing of aluminum alloy products designed to meet high difficulty, extreme precision, and strict regulatory standards.

Collaborating with the National Institute of Nonferrous Metals, we maintain a premier technology R&D team in China's light alloy industry. Our experts provide global clients with end-to-end solutions, spanning structural profiles, precision castings, and heavy forgings. Equipped with advanced automated testing devices, we guarantee high-precision quality control, making E&I a preferred strategic partner for Fortune Global 500 companies in automotive, aviation, and smart manufacturing.

Chengdu E&I Aluminum Industry Plant
Key Metrics

Advanced Production & Supply Chain Infrastructure

Combining technological innovation with localized technical support to streamline operations globally.

50K+ Tons

Annual Extrusion Output

Top 3

Industry R&D Leaders

< ±0.1mm

Ultra-Precise Tolerance Control

100%

ISO & CE Compliant Quality

E&I Production Line

Company Vision & Mission

We strive to remain among the top three leaders in China's aluminum alloy sector. By focusing on production capacity, metallurgical research, and automated systems, we deliver maximum value to shareholders, workforce members, and procurement partners worldwide.

Our processing facility handles drawing, design, precision die extrusion, automatic anodizing, powder spraying, and CNC finishing. This enables us to provide custom structural frames, cleanroom enclosures, mechanical fencing systems, photovoltaic racking, and storage lines under one roof.

Core Values

Corporate Philosophy in Action

E&I leverages engineering expertise to deliver premium manufacturing services.

People-oriented

We respect our employees as our greatest asset. By offering safe working environments, competitive compensation, and growth paths, we build a dedicated team that guarantees operational excellence.

Quality Value

We adhere to high-precision national standards. Our aluminum profiles offer clean finishes, structural rigidity, corrosion resistance, and vibration control for high-load installations.

Technological Innovation

By investing heavily in metallurgical engineering, die design, and extrusion mechanics, we keep our systems at the leading edge. Innovation powers our product quality, structural reliability, and cost-effectiveness.

Supply Chain

China's Structural Supply Chain Advantages

How the industrial integration at our Chengdu hub delivers efficiency, speed, and cost advantages for global procurement.

Our strategic facility in Chengdu leverages China's industrial clustering to optimize production costs, energy inputs, and raw material access. By sourcing high-purity aluminum ingots directly from major smelters, we ensure consistent chemical properties and reduce logistics overheads.

This localized integration extends to surface treatments and precision machining. With in-house automated anodizing, powder coating, and multi-axis CNC milling, we avoid intermediate transport costs and minimize handling damage. For international logistics, our proximity to the Chengdu-Europe Express Railway and major container shipping ports enables efficient, predictable delivery timelines to Europe, the Americas, and APAC regions.

  • Direct Raw Material Access: Sourcing high-grade 6000 and 7000 series alloys directly to minimize impurities and guarantee mechanical ratings.
  • Vertical In-House Operations: Eliminating sub-contractor markups by handling tooling, extrusion, anodizing, and CNC machining in one facility.
  • Optimized Logistics: Offering flexible shipping options via rail, sea, and air corridors to stabilize delivery timelines.
Technical Data

Aluminium Alloy Mechanical & Processing Specifications

Comprehensive technical metrics of our primary industrial alloy configurations.

Alloy Temper Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Recommended Industrial Applications
6063-T5 / T6 ≥ 160 / 205 ≥ 110 / 170 ≥ 8 Lightweight assembly workbenches, equipment frames, T-slot tracks, and safety enclosures.
6061-T6 ≥ 265 ≥ 245 ≥ 8 Heavy-duty structural frames, CNC mounting blocks, automation gantries, and sub-frames.
6082-T6 ≥ 290 ≥ 250 ≥ 10 High-stress marine installations, transport scaffolding, cranes, and structural bridges.
7075-T6 ≥ 540 ≥ 480 ≥ 7 Aerospace structural profiles, high-load military components, and mold manufacturing.
Global Compliance

Localization Support & Regulatory Standards

E&I complies with international engineering, environmental, and quality management protocols.

Standards & Testing

Our profiles are produced to meet ASTM B221, EN 755, and GB/T 5237 high-precision tolerance ratings. Each batch undergoes spectral analysis, hardness checks, and tensile testing.

Environmental Compliance

We satisfy European REACH and RoHS standards, using chrome-free surface treatments and sustainable recycling loops to meet green manufacturing requirements.

Quality Registrations

Our plant operates under ISO 9001:2015 and IATF 16949 quality management systems, ensuring traceability for automotive, machinery, and aviation projects.

Industrial Use Cases

Localized Applications of E&I Profiles

From cleanroom infrastructures to automated factory lines, our profiles support diverse engineering challenges.

Automotive Production Lines

Integrating high-strength ENI-8-40120 and ENI-8-40160B profile frameworks into robot cells, testing bays, and storage racks, delivering the strength required to support high-duty machinery.

Precision Automation Gantries

Our modular T-slot assemblies, such as the ENI-10-5050C, provide the straightness and dimensional stability needed for high-speed linear guide rails and sensor arrays.

Cleanrooms & Laboratories

Anodized ENI-6-2035 and ENI-6-1560 profiles feature smooth, sealed designs that prevent dust buildup, making them suitable for cleanroom partitions and semiconductor enclosures.

FAQ

Technical Questions & Detailed Answers

Explore engineering details on profile specifications, production processes, and customization options.

1. Which alloy and temper should I select for structural vs. lightweight applications? +
For structural structures, we recommend 6061-T6 or 6082-T6 due to their high yield strength and resistance to fatigue. For modular frames, conveyor guards, and workbenches, 6063-T5 or T6 is ideal, balancing strength, clean surface finishes, and cost-effectiveness.
2. What dimensional tolerances does E&I maintain on custom extrusions? +
We manufacture according to international high-precision standards (EN 755-9 and ASTM B221). Our standard tolerance for wall thickness and cross-sectional dimensions is within ±0.15mm, and we can achieve ±0.08mm for critical areas via specialized precision tooling.
3. How does E&I protect T-slot profiles during long-distance maritime transport? +
To prevent oxidation, surface scratches, and impact damage, profiles are interleaved with PE protective films or acid-free paper. They are then wrapped in moisture-barrier plastic sheets and secured inside reinforced wooden crates or steel-framed pallets.
4. Can you provide custom CNC machining and sub-assembly services? +
Yes. Our facility is equipped with multi-axis CNC centers that perform cutting, drilling, tapping, counter-boring, and milling. We can supply individual profiles or pre-assembled structures, complete with fasteners and accessories.
5. What anodizing classes do you offer, and how do they perform against corrosion? +
We offer architectural and industrial anodizing from Class 10 (10-15 microns) up to Class 25 (25+ microns). For coastal, chemical processing, or outdoor installations, Class 20 or 25 provides protection that withstands standard salt-spray testing for over 1,000 hours.
6. How do you ensure chemical and structural consistency in your alloys? +
We perform raw-material testing using optical emission spectrometers on every melt run. We check alloy composition, grain size, and mechanical strength, providing a full material test report (MTR) with chemical and physical analysis for every shipment.