China Aluminum Profiles For Doors And Windows Manufacturers & Supplier

Advanced Architectural Engineering, Custom Die Customization, and Intelligent Extrusions from Foshan's Premier Aerospace-Grade Aluminum Manufacturer

Intelligent Custom Extrusions: Welcome to Lvxing

Setting the standard in high-end structural engineering, alloy innovation, and precision machining since 2015.

Strategic Manufacturing Foundation

Established in 2015 and strategically anchored in Foshan City, Guangdong—the heartland of global aluminum production—LvXing Intelligent Equipment Co., Ltd. has grown into an international leader in specialized extrusion profiles. Backed by a high-caliber R&D team with decades of combined metallurgical and engineering experience, we seamlessly bridge the gap between design concepts and commercialized mechanical products.

We exclusively process premium raw materials from industry giants like Fenglu Aluminum, ensuring that every ton of raw billet entering our facility meets strict chemical compositions and mechanical specifications. Our manufacturing capacity covers alloys across the 1xxx, 2xxx, 3xxx, 5xxx, 6xxx, and 7xxx series, enabling us to handle highly specialized structural components as well as standard high-volume door and window framing.

Unmatched Scale & Processing Limits

Our extrusion lines range in capacity from 800 Tons to an industrial-scale 20,000 Tons. This extensive capacity matrix allows us to extrude ultra-large, complex structural profiles with cross-sectional widths up to 1.2 meters and single continuous lengths of up to 28 meters.

By operating in compliance with GB/T19001-2016 / ISO9001:2015 quality management systems, our process safeguards structural integrity for demanding applications. From commercial curtain walls and aerospace framing to heavy-duty helipads and subway screen door systems, Lvxing handles complex geometries and strict structural tolerances with exceptional precision.

20,000T
Max Extrusion Press
1.2m
Max Profile Section Width
28m
Max Profile Length
ISO9001
Quality System Certified

Technical Roadmap: Alloy Metallurgy & Thermal Dynamics

A deep dive into aluminum alloy design, precision heat treatment, and thermal barrier engineering for modern green buildings.

Alloy Selection Matrix

We match architectural demands with optimal metallurgical formulations:

  • 6063-T5/T6: Renowned for high surface finish and intricate details. Ideal for standard window sashes, frames, and thermal-break assemblies.
  • 6061-T6: Features superior tensile strength and structural properties. Extensively utilized in heavy curtain wall mullions and high-wind structural components.
  • 7075-T6: Reserved for extreme mechanical loads, aerospace brackets, and structural helipad supports where weight-to-strength ratio is critical.

Thermal-Break Evolution

To meet global Energy Star and net-zero green building standards, we offer advanced thermal barrier integration:

  • Polyamide Strut Insertion (PA66-GF25): Uses 25% glass fiber reinforced polyamide strips. Provides high mechanical shear strength and long-term thermal isolation under high wind loads.
  • Pour & Debridge: Injected polyurethane cores for excellent structural stability and low thermal transmittance (U-factor optimization).

Surface Integrity

Our architectural profiles undergo advanced surface finishing to withstand aggressive environments:

  • Acid/Alkaline Anodizing: Forms a controlled, dense oxide layer (up to 25 microns) to prevent marine and industrial atmospheric corrosion.
  • Fluorocarbon (PVDF) Coating: Offers outstanding UV resistance, color retention, and chalking resistance, backed by AAMA 2605 specifications.

Macro-Industry Solutions & Global Applications

Lvxing engineered profiles provide critical structural frameworks across modern urban infrastructure projects.

High-Performance Architectural Fenestration

In skyscraper design and modern commercial developments, door and window systems face high wind pressure, heavy rainfall, and thermal expansion. Our optimized profiles are engineered with dedicated internal webbing to maximize moment of inertia, allowing for larger spans of continuous glass, minimal sightlines, and excellent structural performance.

By optimizing extrusion tolerances down to precision levels (exceeding ASTM and GB standard requirements), we ensure that mullions, transoms, and frame joinery align correctly. This minimizes air infiltration and water leakage, protecting the interior and improving overall HVAC efficiency.

Aviation Helipads & Transport Infrastructure

Leveraging our aerospace-grade material certification, Lvxing designs and manufactures specialized structural components for helidecks, hospital helipads, and airport perimeter systems. Our modular interlocking aluminum panels support heavy dynamic impact loads while offering excellent corrosion resistance in marine and offshore coastal environments.

Additionally, we supply custom profiles for subway screen doors, linear motion rail guideways, and automated industrial enclosures. These components are designed to withstand continuous cycle vibrations and millions of operations over their service life.

Industrial Extrusion Layout Overview

China Factory 4.0: Supply Chain Resilience & Efficiency

How our intelligent extrusion center in Foshan secures your production schedule and lowers total cost of ownership.

Advanced Tooling Matrix

By using advanced CAD/CAM modeling and high-speed CNC wire EDM machining, our die shop designs and cuts custom extrusion dies with high precision. This minimizes extrusion streaks, micro-cracks, and geometric deviations, ensuring consistency between product batches.

Intelligent Thermal Control

Our extrusion lines feature multi-zone PLC-controlled billet heating and automated water/air quenching. This system closely monitors the critical cooling rate required for specific alloys (like 6063-T6) to achieve uniform mechanical properties and grain structure.

Vertical Integration

From raw billet casting to custom die extrusion, heat treatment, surface finishing, and multi-axis CNC fabrication, Lvxing handles the entire manufacturing process in-house. This centralized control reduces logistics steps, shortens lead times, and maintains quality control.

Verified Technical Qualifications

Our certificates, advanced extrusion capabilities, and engineering expertise ensure reliable product performance.

Aerospace Certification
Aerospace Badge
We have obtained the "Special Aluminium Materials for Aerospace" Certificate, confirming our ability to meet high-performance metallurgical and structural requirements.
Extrusion Lines
Scale Badge
We utilize premium Fenglu aluminum profiles. With extrusion lines ranging from 800T to 20,000T, we can process alloys 1xxx, 2xxx, 3xxx, 5xxx, 6xxx, and 7xxx, with section dimensions up to 1.2 meters in width or 28 meters in length.
Engineering Team
Expertise Badge
Our engineering team brings 15 years of industry experience to assist with design refinement, identify structural risks, and optimize profiles to meet demanding load requirements.

Localization Support, Testing, & Global Compliance

Ensuring that our products meet localized structural codes and environmental regulations for cross-border projects.

International Quality Standards

Lvxing profiles are manufactured in accordance with leading international standards, including:

  • Europe: EN 755 (Mechanical properties), EN 12020 (Extrusion tolerances), and CE Mark requirements for safety and environmental performance.
  • North America: ASTM B221 (Standard specification for aluminum alloy extruded bars, rods, wire, profiles, and tubes) and AAMA architectural specifications.
  • China: GB/T 5237 (Wrought aluminum alloy extruded profiles for architecture).

Testing & Verification

To ensure reliable performance in the field, we perform comprehensive metallurgical and mechanical testing:

  • Tensile & Yield Strength Testing: Verifies load-bearing performance under structural loads.
  • Spectrochemical Analysis: Checks alloying element percentages against chemical standards.
  • Microstructural Inspection: Checks grain boundary structures for proper tempering and heat treatment.
  • Salt Spray & Corrosion Testing: Evaluates coating durability in coastal environments.

Frequently Asked Questions: Technical & Procurement Insights

Detailed answers to common questions about alloy properties, custom dies, and shipping logistics.

Q1: What is the main difference between 6063-T5 and 6063-T6 aluminum profiles for doors and windows?
A: The difference lies in the heat treatment and artificial aging process. 6063-T5 is cooled from an elevated temperature shaping process and then artificially aged, which provides moderate mechanical strength and excellent surface quality for standard framing. 6063-T6 undergoes solution heat treatment and then artificial aging, which increases its tensile and yield strength by approximately 15-20%. This makes T6 suitable for high-wind-load zones or larger structural curtain wall assemblies.
Q2: How does Lvxing manage dimensional tolerance variations on complex customized profiles?
A: We adhere to the strict limits outlined in European standard EN 12020-2 and Chinese national standard GB/T 5237. By utilizing automated die correction, digital coordinate measuring machines (CMM), and real-time laser inspection at our extrusion presses, we control key parameters like wall thickness, flatness, twist, and angular deviations within narrow tolerances.
Q3: How does a 20,000-Ton extrusion press benefit commercial architectural projects?
A: A 20,000T press allows us to extrude large, complex single-piece profiles with cross-sectional widths up to 1.2 meters. This capability is essential for large structural components, integrated unitized curtain walls, transit platform doors, and specialized helipad structures. Extruding large profiles in a single piece reduces the need for joint connections, improving structural strength, reducing assembly labor, and decreasing water leakage risk.
Q4: What types of thermal break technologies do you support to improve energy efficiency?
A: We offer two main thermal barrier systems: 1) Polyamide strut insertion using PA66-GF25 glass fiber reinforced strips, which provides high mechanical shear strength for tall commercial facades, and 2) Polyurethane pour-and-debridge systems, which provide excellent thermal insulation and are widely used in residential window and door assemblies.
Q5: Can Lvxing extrude custom designs from architectural drawings? What is the standard tooling lead time?
A: Yes, our R&D department specializes in translating custom DWG/STEP drawings into production-ready extrusion dies. Standard tooling design and die fabrication takes 7 to 15 days, depending on geometric complexity. Sample extrusion and initial testing are typically completed within 3 to 5 days after die verification.
Q6: What surface treatments do you offer for harsh marine or high-salinity environments?
A: For coastal or offshore applications (such as marine helipads or beachfront hotels), we recommend PVDF (fluorocarbon) coatings conforming to AAMA 2605 specifications or Class 2/Class 3 architectural anodizing (20+ microns thickness). These finishes provide long-term resistance to salt spray, UV degradation, and chemical etching.