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Premium Aluminum Doors & Windows
Engineered for Excellence

DIAOSI integrates innovation, German engineering, and flawless craftsmanship to deliver high-end architectural solutions trusted by leading real estate brands across China.

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About DIAOSI

A flagship brand of high-end aluminum alloy doors and windows under Guangdong Yongxing Doors Industry Co., Ltd., DIAOSI has been at the forefront of the modern door and window integration revolution for over 14 years.

DIAOSI Workshop

Industry Leader in Architectural Solutions

With a production base covering 123,000 square meters and over 900 exclusive stores across China, DIAOSI has established itself as a leader in premium doors and windows. Our product lines include aluminum doors and windows, wooden doors, and shower enclosures.

  • 14+ Years of Market Experience
  • 123,000 m² Production Base
  • 900+ Exclusive Stores Nationwide
  • Integrated Product Series: Aluminum, Wood, Shower Doors
Discover Our Manufacturing Excellence →

Our Product Range

DIAOSI offers a comprehensive portfolio of high-performance doors and windows, combining advanced engineering with elegant design for residential and commercial applications.

Casement Window

Casement Window

65 Thermal-break Series with wire mesh option. Superior insulation, soundproofing, and weather resistance.

Thermal Break Technology
Sliding Window

Sliding Window

Smooth operation with heavy-duty German rollers. Space-saving design for modern architecture.

German Hardware
Sliding Door

Sliding Door

Large glazed panels with robust frames. Ideal for balconies, terraces, and room dividers.

High Load Capacity
Swing Door

Swing Door

Single or double leaf options with multi-point locking. Enhanced security and insulation.

Secure Locking System
System Doors and Windows

System Doors & Windows

Integrated solutions with unified design language. Perfect for large-scale projects.

Architectural Consistency
Wood Door

Wood Door

Premium natural wood finishes with durable construction. Timeless elegance for interiors.

Natural Wood Grain
Aluminum Clad Wood

Aluminum Clad Wood

Best of both worlds: wood interior warmth with aluminum exterior durability.

Hybrid Construction
Sun Room

Sun Room

Transform your space with a glass-enclosed room. Ideal for relaxation and natural light.

All-Season Comfort
Folding Door

Folding Door

Create seamless indoor-outdoor transitions. Multiple panels fold neatly to one side.

Space Maximizing
65 Thermal-break Casement

65 Thermal-break Casement

Advanced insulation with polyamide strips. Energy-efficient performance standard.

Energy Star Compliant
View Full Product Catalog

Why Choose DIAOSI

Our commitment to quality, innovation, and engineering excellence sets us apart in the premium doors and windows market.

German Hardware

HOPO and SIEGENIA components ensure durability, smooth operation, and long-term performance.

160+ Patents

Innovative designs developed by our team of 100+ elite designers and engineers.

German & Italian Equipment

Automated production lines ensure precision, consistency, and high efficiency.

213 Process Steps

Each product undergoes 213 manufacturing steps and 58 quality inspection points.

Uncompromising Quality Control

At DIAOSI, quality is not an afterthought—it's built into every stage of production. Our 80-member QC team ensures that every door and window meets the highest standards for soundproofing, heat insulation, and water resistance.

We use top-brand extrusions made from high-tensile manganese and magnesium alloy, automotive safety-grade double tempered glass, and components from industry-leading German suppliers.

Soundproof Heat Insulated Waterproof Energy Efficient
Quality Control

Featured Projects

Trusted by leading real estate brands, DIAOSI products have been installed in premium developments across China.

Huilin Project

Huilin County, Jieyang

Door and Window Project in Guangdong Province

Caijiagang Project

Caijiagang, Huainan

Door and Window Project in Anhui Province

Binhe Bay Project

Binhe Bay, Fengtai

Door and Window Project in Anhui Province

Longkou Project

Longkou, Lanzhou

Door and Window Project in Gansu Province

View All Projects →
14+
Years of Experience
123K
Square Meters Facility
900+
Exclusive Stores
160+
Patent Designs

Get in Touch

For inquiries, partnerships, or to request a product catalog, please visit our official website to contact DIAOSI directly.

86-75781776160
[email protected]
Visit Official Website to Contact

DIAOSI is a flagship brand of Guangdong Yongxing Doors Industry Co., Ltd.

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