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

Quickly Find The Products You Need

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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.

2026-06-15

Garden Sunrooms Transform Outdoor Spaces into Year-Round Living Destinations

Newest garden sunroom factories introduce advanced designs, faster production, and premium outdoor living solutions

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2026-06-15

Outdoor Aluminium Sunrooms Revolutionize Modern Outdoor Living Spaces

Wholesale outdoor aluminium sunroom OEM solutions deliver custom designs, durability, and global project value

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2026-06-15

Enhancing Your Space with Aluminium Swing Glass Doors: A Comprehensive Guide

Aluminium swing glass doors are increasingly popular in contemporary architecture and design, providing a perfect blend of style, durability, and functionality. These doors are characterized by their elegant appearance, allowing natural light to flood interior spaces while offering a seamless transition between indoor and outdoor environments. One of the primary advantages of aluminium swing glass

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2026-06-12

Is an Aluminium Framed Glass Sunroom Right for Your Home? Discover the Benefits and Considerations

Is an Aluminium Framed Glass Sunroom Right for Your Home? Discover the Benefits and Considerations Adding a sunroom to your home can transform your living space into a bright, inviting oasis, perfect for relaxation and entertainment. Among the various options available, aluminium framed glass sunrooms emerge as a popular choice due to their durability and aesthetic appeal. In this comprehensive gu

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