Leading Aluminum Windows Manufacturer in China
Serve for: Homeowner/Residential Contractor/Architect/Designer/Distributor/Dealer/Commercial/Non-Residential Builder
OEM/ODM
Fully tailored to your project specs.
Low MOQ
30 sqm for Your Small Orders
25-Day Delivery
Keep your projects on fast track.
Technical Assistance
Provide remote technical support
about zumwin
With over 20 years of expertise, we are a leading manufacturer of custom aluminum doors and windows. Our 20,000㎡ production facility is staffed by over 200 skilled professionals, delivering precision and quality at scale.
Having successfully completed 5,000+ custom aluminum window projects globally, we are certified by AAMA, NAMI, NFRC, CE, AS2047, and more. Whether for residential, commercial, or impact-resistant needs, we provide tailored solutions with free quotations.
Custom Windows and Doors: Your Vision, Our Expertise
Discover our comprehensive doors and windows wholesale collection, meticulously crafted to precisely match your market demands. As a leading doors and windows factory, we don’t just sell products, we transform your unique concepts into reality.
1. Expertise in High-Performance Aluminum Window Solutions
We specialize in manufacturing energy-efficient aluminum windows featuring thermal insulation and double glazing, designed to meet the performance needs of both residential and commercial construction projects.
2. Comprehensive Customization & Design Support
From frame profiles and glass types to opening styles and finishes, we offer fully customized solutions. Our experienced engineering team works closely with clients to ensure functionality and design meet project-specific requirements.
3. Strict Quality Control & Global Compliance
Our production process follows international standards such as ISO and CE. Each product undergoes rigorous testing to ensure durability, weather resistance, corrosion protection, and long-term performance in various environments.
4. Scalable Production & On-Time Delivery
Equipped with advanced machinery and automated lines, we support high-volume manufacturing without compromising precision. Our efficient workflow ensures consistent quality and reliable lead times for global clients.
Multiple Solutions
Commercial Projects
Wellste delivers high-performance custom aluminum windows tailored for commercial use. Our fire-resistant, energy-efficient, and smart window systems meet safety and building code requirements.
Residential Projects
We provide thermal break and aluminum-clad window solutions for homes. Our custom residential aluminum windows combine energy-saving features with stylish designs to match modern architecture.
Special Projects
For buildings requiring extra protection, we manufacture custom aluminum windows that are bullet-proof, explosion-proof, hurricane-resistant, and sound-insulated, ensuring maximum structural safety.
Professional Test
All Zumwin products undergo rigorous professional testing and meet key standards for sound insulation, corrosion resistance, and rust prevention—ensuring reliable performance in diverse environments.
- Thermal Insulation: Uw < 1.3W/(m³ k)
- Acoustic Insulation: Rw+Ctr > 45dB
- Air Permeability: ql ≤ 0.45m³/(m*h)
- Water Tightness: AP > 750Pa
- Wind Resistance:4.5 ≤ P3 < 5.0KPa
Surface Finish Options
Both finishes are available for all custom aluminum windows.
anodized
- Meets AAMA 611-24 standard
- Film thickness ≥0.7 mil
- Salt spray test: no corrosion after 3000 hours
Powder coated
- Compliant with AAMA 2605 standard and AS2047 standard
- Dry-film Thickness≥1.2 mil
- Luster retention rate exceeds 90%
Custom Aluminum Windows
Global Project Cases
Factory Overview – From Profiles to Custom Aluminum Windows
Quick, Custom Window Solutions
- Fill out our form to contact us
- After accurately understanding your needs, our professionals will provide you with a free quote
- Product production, assembly, quality inspection
- Packed and transported to the designated location
- 24/7 after-sales service
