Parameters
1. Window size:
Single sash width: 60cm-1.2m (additional columns are available for extra width)
Maximum height: 3.5m (reinforced rails are available for extra width of 3m)
Folding thickness: ≤18cm (thinner than a bookcase)
2. Core materials:
| Components | We use | Rotten trap |
| Window frame | Aviation aluminum-magnesium alloy (wall thickness 2.0mm) | Recycled aluminum (0.8mm as thin as a can) |
| Lifting system | Wire rope + self-lubricating bearing | Iron chain (rusted and stuck in half a year) |
| Glass | 5mm tempered glass (self-explosion rate <0.3%) | Ordinary glass (shattered into a sharp knife) |
3. Factory test
Load-bearing test: Hang a 150-pound strong man and shake for 5 minutes without deformation
Life test: Open and close 30 times a day, no replacement of accessories for 10 years
Extreme cold challenge: lift and lower as usual at -40℃
features
Smooth & Quiet Operation
Advanced roller and track system enables effortless movement with minimal friction, keeping operating noise below 30 dB.
Enhanced Sealing
Three-layer sealing strips effectively reduce cold air infiltration by up to 90%, maintaining indoor warmth.
Anti-Fall Protection
Equipped with a wire rope break protection hook and an electromagnetic brake system, ensuring automatic locking in case of failure or power outage.
Convenient Operation
Vertical folding design with remote control or mobile APP operation allows effortless and flexible opening adjustment (10 cm–3 m).
Easy to Clean
Window sash can be lowered to ground level for safe and convenient cleaning, with optional self-cleaning glass that removes up to 80% of dust through rainwater.
customization
- Frame Materials: Aluminum alloy, uPVC, or composite systems
- Glass Options: Single / double / triple glazing, laminated, Low-E, reflective
- Opening Type: Manual or motorized operation
- Sizes & Configurations: Fully customized dimensions and panel numbers
- Surface Finishes: Powder coating, anodized, PVDF, wood grain (RAL colors available)
- Accessories: Insect screens, built-in blinds, handles
why choose us
OEM & ODM Service
DESLANO provide full customization support for our products. Whether you need private labeling, exclusive models, or full product development, our experienced engineering and design team can turn your ideas into reality.
01
Reliable Quality & Certifications
All DESLANO products meet international safety and performance standards, including CE, ISO9001, and SGS testing. We conduct 100% inspections before delivery, including checks on dimensions, glass strength, coating thickness, and sealing performance.
02
Global Project Experience
DESLANO has completed projects in Germany, Italy, the USA, New Zealand, and more, which has earned us long-term trust from contractors, builders, and distributors. We are well-versed in regional standards and aesthetic preferences, and our international project team provides localized solutions for both residential and commercial use.
03
Strong Manufacturing Capability
DESLANO operates a modern production base equipped with advanced aluminum extrusion, glass cutting, tempering, and powder coating lines. Our factory covers over 20,000 square meters, enabling us to efficiently handle both large-scale projects and customized small-batch orders.
04
After-Sales Support
Our professional sales and service teams respond within 24 hours, providing technical support, installation guidance, and spare part assistance when needed. For long-term partners, we also offer priority production scheduling and customized logistics options to ensure timely delivery worldwide.
05
FAQ
Q1: How is the thermal and acoustic performance?
A: With double or triple glazing and thermal break frames, the system provides strong insulation and sound reduction.
Q2: Is it suitable for harsh weather conditions?
A: Yes. High-quality sealing systems ensure excellent water tightness, air tightness, and wind resistance.
Q3: What maintenance is required?
A: For optimal performance, vacuum the track once every quarter and apply antifreeze lubricant to moving parts once a year.
Q4: Can the system be motorized?
A: Yes. Both manual and electric operation options are available for different project needs.
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