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.

2026-04-03

What to Consider When Building an Aluminium Framed Glass Sunroom

What to Consider When Building an Aluminium Framed Glass Sunroom Building an aluminium framed glass sunroom is an exciting venture, promising to add elegance and functionality to your home. However, it requires careful planning and consideration to ensure that the final structure meets your needs and enhances your living space. In this comprehensive guide, we will explore the essential aspects to

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2026-04-02

Exploring the Benefits of Aluminium Casement Glass Windows in Modern Architecture

Aluminium casement glass windows represent a significant advancement in window technology and design, combining aesthetic appeal with functional excellence. These windows are hinged on one side and can be opened outward, providing an unobstructed view and maximizing ventilation. This design feature makes them an ideal choice for both residential and commercial buildings, as they facilitate airflow

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2026-04-01

How Aluminium Glass Swing Doors Enhance Natural Light in Your Home

How Aluminium Glass Swing Doors Enhance Natural Light in Your Home Introduction to Aluminium Glass Swing Doors Natural light is a vital component of any home, significantly impacting its ambiance, energy efficiency, and overall aesthetic appeal. Aluminium glass swing doors are an innovative solution to enhance natural illumination within your living space. These doors combine elegance with fun

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2026-03-31

Transform Your Space with Panoramic Sliding Doors: A Modern Architectural Choice

Panoramic sliding doors, also known as large glass sliding doors, represent a significant advancement in architectural design, effectively merging indoor and outdoor spaces. This innovative solution not only enhances the aesthetic appeal of a building but also offers a range of practical benefits that can improve the quality of life for occupants. One of the most compelling features of panoramic s

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2026-03-30

How to Choose the Right Floor to Ceiling Sliding Doors for Your Home

How to Choose the Right Floor to Ceiling Sliding Doors for Your Home Table of Contents 1. Understanding the Benefits of Floor to Ceiling Sliding Doors 2. Key Factors to Consider When Choosing Sliding Doors 3. Popular Materials for Sliding Doors 4. Selecting the Right Style for Your Home 5. Energy Efficiency and Insulation: Why It Matters 6. Measuring for Floor to Ceiling Sliding D

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2026-03-29

Exploring the Benefits of Aluminium Interior Doors for Modern Spaces

Aluminium interior doors have emerged as a favored choice among architects and designers, thanks to their unique combination of durability, versatility, and modern aesthetics. One of the standout features of aluminium is its resistance to corrosion, which makes it an ideal material for interior doors that require longevity and low maintenance. Unlike wooden doors, aluminium does not warp, crack, o

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