Explore our precision-engineered structural extrusion profiles, designed for demanding automation, manufacturing, and framing projects.
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.
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In the arena of modern engineering, modularity has superseded custom welded steel frames.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.
Smart factories require modular, sensor-ready framing. T-slots allow for seamless routing of wires, pneumatic lines, and sensory brackets directly inside the structure.
Aluminium is 100% recyclable. Global enterprises prioritizing ESG targets choose extruded profiles over painted steel to reduce carbon footprints and ensure material circularity.
Our strict alignment with national high-precision requirements ensures deviation tolerances are kept at a minimum, allowing perfect fits for linear guides and bearings.
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.
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.
We treat our employees as our primary wealth, providing competitive environments for continuous innovation and professional growth.
We deliver high-finish, high-precision products designed to create measurable economic value and process improvements for our clients.
We continually invest in R&D alongside the National Institute of Nonferrous Metals, securing a leading competitive position in the light alloy sector.
Collaborating with clients, shareholders, and suppliers to establish long-term strategic value and shared economic development.
From heavy automotive assembly lines to custom interior design, discover how the versatility of 40mm extrusions addresses diverse market segments.
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.
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.
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.
Essential technical insights on structural profiles to assist design engineers and procurement professionals.
Discover our wide-section and high-load capacity profiles, designed to handle heavy machinery and demanding load distributions.