Aluminum window and door manufacturing facility
Direct Factory in China

Custom Aluminum Windows & Doors Manufacturer

We manufacture custom aluminum windows and doors for global B2B buyers, providing OEM/ODM production, project supply, and full factory support from China.

100% In-house Production
OEM/ODM Custom Support
Global Project Supply

43

Extrusion Lines

4500T

Max Press Capacity

100%

OEM/ODM Support

End-to-End

In-House Manufacturing

Aluminum Window & Door Products

Precision-engineered finished windows and doors, fully customizable for residential, commercial, and architectural projects.

Sliding Windows

Sliding Windows

Space-saving design with smooth horizontal operation, ideal for modern homes and commercial facades.

Get Quote
Casement Windows

Casement Windows

Excellent ventilation and superior sealing performance, featuring robust multi-point locking systems.

Get Quote
Awning Windows

Awning Windows

Top-hinged design allowing ventilation even during light rain, perfect for higher placements.

Get Quote
Thermal Break Windows

Thermal Break Windows

Advanced insulation technology reducing heat transfer, significantly improving energy efficiency.

Get Quote
Sliding Doors

Sliding Doors

Heavy-duty tracks and large glass panels for seamless indoor-outdoor transitions and maximum light.

Get Quote
Bifold Doors

Bifold Doors

Multi-panel folding systems that open up entire walls, engineered for smooth operation and durability.

Get Quote

Core Manufacturing Advantages

Why top global brands and contractors choose Sinwindow as their primary manufacturing partner.

Direct Source Factory

We are a direct manufacturer in China. Eliminate middleman markups, ensure direct communication, and secure highly competitive factory pricing.

43 Extrusion Lines

Massive production capacity with 43 advanced aluminum extrusion lines, guaranteeing stable supply for large-scale and urgent orders.

Custom Manufacturing

Full support for custom dimensions, structural designs, glass configurations, hardware brands, and tailored packaging solutions.

Tooling & Surface Treatment

In-house mold development, anodizing, powder coating, and fluorocarbon coating ensuring precise color matching and durability.

Deep Processing & Assembly

Equipped with high-precision CNC machining centers for exact cutting, milling, punching, and professional finished window assembly.

Project Matching Support

Comprehensive engineering support for hotels, apartments, commercial buildings, and large-scale residential developments.

Custom Manufacturing Capabilities

Bring your drawings, dimensions, or conceptual requirements. Our engineering team will translate them into high-quality finished products tailored to your exact specifications.

Size Customization
Structure Customization
Glass Options (Low-E, Tempered)
Hardware Configuration
Surface Colors & Finishes
Logo & Custom Packaging
Drawing-Based Production
Project System Solutions
Window custom manufacturing blueprints

Who We Serve

Empowering global partners with reliable manufacturing and supply chain excellence.

Window Importers

Ensuring stable, high-volume supply with consistent quality to keep your inventory well-stocked.

Wholesalers

Providing competitive pricing structures and flexible MOQ to maximize your market margins.

Window & Door Brands

Confidential OEM/ODM production, protecting your IP while delivering products under your label.

Building Contractors

On-time delivery and strict adherence to architectural specifications for smooth installation.

Real Estate Developers

Cost-effective, large-scale window solutions that enhance property value and energy ratings.

Project Buyers

Dedicated project management and technical support from initial design to final delivery.

Quality Control from Material to Delivery

Rigorous inspection at every stage ensures your windows meet international standards.

1

Raw Material
Inspection

2

Profile Extrusion
Control

3

Surface Treatment
Check

4

Window Assembly
Inspection

5

Finished Product
Testing

6

Final Inspection
Before Shipment

Built for Residential and Commercial Projects

Our aluminum windows and doors are engineered to perform across diverse architectural environments.

Villa Window Projects

Luxury Villas

Explore Solutions
Apartment Window Projects

Residential Apartments

Explore Solutions
Hotel Window Projects

Hotels & Resorts

Explore Solutions
Commercial Building Windows

Commercial Buildings

Explore Solutions
Office Building Projects

Office Projects

Explore Solutions
Educational Facilities

Educational Facilities

Explore Solutions
Healthcare Centers

Healthcare Centers

Explore Solutions
Retail Spaces

Retail Spaces

Explore Solutions

Frequently Asked Questions

Find answers to common technical and commercial queries regarding our premium aluminum window solutions.

What is the standard lead time for bulk aluminum window orders?
For standard configurations, our typical lead time is 25-35 days after drawing approval and deposit receipt. Custom extrusion profiles or specialized powder coatings may require an additional 10-15 days. We utilize advanced ERP systems to optimize our production schedule and ensure on-time delivery for your projects.
Do you provide custom extrusion profiles for specific architectural requirements?
Absolutely. Our engineering team specializes in precision OEM/ODM services. We can develop custom dies based on your CAD drawings or architectural blueprints. The mold development phase typically takes 10-15 days, followed by rigorous prototyping and thermal testing before mass production.
How do your thermal break windows improve energy efficiency?
Our thermal break aluminum windows utilize premium polyamide (PA66) strips inserted between the inner and outer aluminum profiles. This creates a highly effective thermal barrier that prevents heat transfer. Combined with double or triple Low-E glazing and Argon gas filling, our windows easily meet stringent international U-value requirements.
What is your standard packaging method for international shipping?
We employ a strict, multi-layer export packaging protocol. First, a protective adhesive film is applied to all aluminum frames. Then, corners are guarded with specialized plastic protectors. Finally, the windows are wrapped in bubble wrap and securely packed into heavy-duty, fumigated wooden crates or steel pallets to guarantee zero damage during ocean transit.
What warranty terms do you offer on your products?
We stand by the quality of our manufacturing. Sinwindow provides a 10-year warranty on the structural integrity of our aluminum profiles and surface finishes (powder coating/anodizing). We also offer a 5-year warranty on premium German/European hardware components. Detailed warranty certificates are provided with every shipment.

Can't find the answer you're looking for? Our engineering team is ready to assist.

Advanced Manufacturing Facility

Main Factory Overview
Automated Production Line
Aluminum Extrusion Process
Window Assembly Area
Precision Cutting
Glass Treatment
Metal Coating
Robotic Arm
Quality Control
Inspection Tools
Smart Warehouse
Logistics Center

Contact Sales

Reach out to our global sales team directly for immediate assistance with your project requirements.

Start Your Project

Fill out the form below and our specialists will get back to you shortly.

Blog

Explore the latest advancements in commercial aluminum window systems, thermal efficiency, and architectural integration.

Send Your Drawings or Project Requirements

Our team will review your window and door specifications and provide a tailored, competitive quotation within 24 hours.

Request a Quote
Send Inquiry WhatsApp