Factory Direct for Glabal Projects
20-Year Aluminum Doors & Windows Manufacturing
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Low MOQ from 2㎡
Made to Order and Global Door to Door Delivery
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ISO CE NFRC AS2047 CCC Approved
Full Range of Doors and Windows Designs Optional
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20-Year Experiences

Built for Global Markets

High-Customization & OEM/ODM

Flexible Order Policies

Chang Sheng Construction Technology Co., Ltd.

Chang Sheng Construction Technology Co., Ltd.

Chang Sheng Construction Technology Co., Ltd.

ABOUT US

Manufacturer of Aluminum Doors & Windows

Professional manufacturer of aluminum doors and windows, serving international builders, designers, wholesalers and house owners for 20 years.

20 +

20 years experience of manufacturing

500 +

500 braned stores at home and abroad

60 +

 60 patents and inventions.

KOMPSTAR
KOMPSTAR

Hot Sale Products

Casement Windows, Sliding Windows, Turn Tilt Windows, Sliding Doors, Swing Doors, Hanging Doors and more.

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Customization & Order Workflow

Client Provides Drawings / Requirements

We provide Quotation & Solution Proposal

Client Confirms the Order

Production

Quality Control & Factory Inspection

Packaging & Shipment

Installation Support

After-Sales Service

PRODUCT SEARCH

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PRODUCT CUSTOMIZATION

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Factory Plant

Our 50,000㎡ factory is equipped with advanced production lines dedicated to aluminium doors and windows, integrating precision machining, strict quality control, and efficient workflow management. 

 

OEM/ODM welcome!

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KOMPSTAR

KOMPSTAR is a brand from Changsheng Construction Technology Co., Ltd. for international markets

Kompstar

Kompstar

We specialize in R&D, production, and installation of residential and commercial doors and windows, with a diverse product range including swing door, sliding door, casement windows, sliding windows, sunroom, and hotel tent. Our customers cover more than 60 countries and regions worldwide

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Product Advantages

Our doors and windows meet international standards such as CE, Energy Star, AS/NZS 4665, AAMA etc.

Thermal Insulation Performance

Water Tightness Performance

Wind Pressure Resistance

Sound Insulation Performance

Anti-Theft Performance

Air Tightness Performance

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FAQs

Our FAQ section for doors and windows provides quick answers to common queries, covering materials, installation, maintenance, and more.

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What product lines does KOMPSTAR offer?

We manufacture complete aluminium doors and windows, including sliding doors/windows, casement doors/windows, lift-and-slide systems, folding doors, heavy-duty commercial units, and outdoor sunroom and hotel tents.

Are your products customizable?

Yes. We offer full OEM/ODM services including frame thickness, opening style, hardware selection, surface finishing, dimensions, thermal performance levels, and glass configurations.

What surface finishes are available?

Options include powder coating, anodizing, electrophoresis, wood grain transfer, matte finishes, and customized RAL colors.

Do your products meet international compliance standards?

Yes. KOMPSTAR systems comply with CE, AS2047, ASTM, and other international standards depending on project requirements.

What aluminium alloy grade do you use?

Our standard grade is **6063-T5/T6** for optimal strength, corrosion resistance, and extrusion stability. Custom grades are available for structural applications.

Blog & Event

Keep an eye on us for updates that may have the answers you're looking for.

2026-05-28

Exploring the Benefits of Aluminium Interior Doors: A Modern Choice for Architectural Design

Aluminium interior doors are increasingly popular in modern architecture due to their combination of strength, durability, and lightweight characteristics. Unlike traditional wooden doors, aluminium doors are resistant to warping, cracking, and swelling, which makes them an excellent choice for areas with fluctuating humidity levels. This resilience ensures a long-lasting product that can maintain

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2026-05-26

Discover the Innovative Features of Modern Aluminium Sliding Doors for Your Home

Innovative Features of Modern Aluminium Sliding Doors Table of Contents 1. Introduction to Aluminium Sliding Doors 2. Benefits of Choosing Aluminium Sliding Doors 3. Design Options and Aesthetics 4. Energy Efficiency and Sustainability 5. Advanced Security Features 6. Low Maintenance Requirements 7. Installation Process Overview 8. Cost-Effectiveness and Value Addi

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2026-05-24

Transform Your Outdoor Living Space with an Outdoor Sunroom

An outdoor sunroom is an exceptional addition to any home, as it offers a harmonious blend of indoor comfort and outdoor beauty. This type of structure allows homeowners to enjoy the natural light and fresh air while being sheltered from the elements. Whether you’re looking to create a cozy reading nook, a vibrant plant sanctuary, or an entertaining space for friends and family, an outdoor sunroom

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2026-05-22

Crafting Your Ideal Sunroom: The Advantages of Aluminium Framework

Crafting Your Ideal Sunroom: The Advantages of Aluminium Framework Sunrooms are a fantastic addition to any home, providing a bright, airy space that connects you with nature while offering shelter and comfort. When it comes to constructing your sunroom, the choice of materials plays a crucial role in both aesthetics and functionality. Among the various options available, aluminum frameworks stand

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2026-05-20

Exploring the Benefits and Features of Aluminium Swing Glass Doors

Aluminium swing glass doors are increasingly favored in the building and decorative materials sector for their combination of aesthetic appeal and practical functionality. These doors typically consist of a robust aluminium frame that supports large glass panels, allowing for maximum natural light while maintaining a clean and contemporary look. This article explores the characteristics that make

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2026-05-18

Step-by-Step Guide to Installing an Aluminium Framed Glass Sunroom

Step-by-Step Guide to Installing an Aluminium Framed Glass Sunroom Table of Contents 1. Introduction to Aluminium Framed Glass Sunrooms 2. Benefits of Installing an Aluminium Framed Glass Sunroom 3. Planning Your Sunroom Installation 3.1 Choosing the Right Design 3.2 Understanding Local Building Regulations 4. Selecting the Right Materials

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