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Premium 9.5mm Slim Frame Aluminum Window Inward Side Hung Tilt and Turn Soundproof Thermal Break Window for Luxury Villa
Product Description
LANGE is a "Top 10" system brand in China with independent intellectual property. Unlike generic local workshops, we are authorized service providers for international leaders like SCHUCO (Germany) and YKK (Japan). Our 20,000㎡ industrial park and 100+ professional designers guarantee a standard of precision that competitors cannot match.
Products Description
Why Choose Us
LANGE boasts a modern 20,000m³ manufacturing facility and is a global leader in high-performance window and door systems. We are equipped with world-class precision technology, including the German Elumatec SBZ 628 CNC Processing Center and the Sigma Fully Automatic Corner Crimping Line, ensuring every joint reaches micron-level accuracy.
Our Advantages
Product Showcase
Our factory accepts large-volume full-container orders with abundant production capacity and stable lead time. The workshop is fully equipped with imported CNC production equipment. Precision automatic processing covers profile cutting, corner combining, milling and sealing assembly, leading to tiny dimensional tolerance and consistent workmanship across all batches. Stable unified quality reduces installation waste and after-sales risks perfectly, ideal for long-term cooperation on residential apartment and community window projects.
Product Parameters
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Ultra-Slim Design, Infinite Vision
The 9.5mm ultra-slim frame design minimizes visual barriers, offering a 96% light transmittance. Perfectly aligns frame and sash for a symmetrical, high-end aesthetic.
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Hurricane-Impact Strength (Level 9)
Engineered for the most demanding environments. With Level 9 wind pressure resistance (25,000+ Pa), our windows provide ultimate safety for high-rise buildings and coastal villas.
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Unrivaled Thermal & Acoustic Performance
Featuring 35.3mm ultra-wide thermal break strips and multi-layer EPDM sealing. Reduce noise by up to 37dB and cut energy costs by 40%.
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German Precision Manufacturing
Every LANGE window is processed by German ELUMATEC 628 CNC centers and CGMA automated lines, ensuring micron-level accuracy and lifetime durability.
| Parameter | Specification |
|---|---|
| Brand | LANGE (Top 10 System Window Brand) |
| Frame Visible Width | 9.5 mm (Ultra-Slim Design) |
| Insulation (K-value) | Level 7 (K=1.5 W/(m·K)) |
| Soundproofing (RW) | Level 4 (RW=37 dB) |
| Wind Resistance | Level 9 (P≥25000 Pa, Highest Grade) |
| Watertightness | Level 6 (ΔP≥700 Pa, Highest Grade) |
| Air-tightness | Level 8 (q1≤0.5 m³/h·m²) |
| Glass Config | Triple-Pane Tempered Low-E Glass (Standard) |
| Hardware | German elumatec CNC Machined 304 Stainless Steel |
Customer Feedback
Benefiting from consistent quality, mass production capacity supported by imported precision equipment and reliable supply service, we have accumulated countless cooperative clients worldwide with numerous genuine verified buyer reviews. A large number of dealers and construction contractors keep placing repeat orders. Our reputation has been verified by massive orders and overseas on-site projects. Our windows are widely recognized for retail restocking and large-scale residential construction projects alike.
Company Profile
Zhengzhou Lange Intelligent Technology Co., Ltd. is a leading integrated enterprise specializing in high-performance system windows and Intelligent Space/Sleep Pods. With 22 years of engineering excellence and 80+ sets of CNC equipment, we maintain a 500,000 SQM annual capacity. As a strategic partner of YKK, LIXIL, and LG, we cross-apply premium insulation technology to our "Plug-and-Play" space pods for glamping and commercial use. Guided by craftsmanship, we turn customer expectations into reality with integrity and precision.
Frequently Asked Questions (FAQ)
Whether are you a factory?
Yes, we have our own factory with over 22 years of manufacturing experience. We are located in Zhengzhou, Henan Province.
As this is our first time importing from China, how does the process work?
No need to worry. We have over 20 years of export experience worldwide. Our professional team will guide you step-by-step: Order Confirmation → Precision Production → Professional Inspection → Shipment & Delivery.
Can your products be fully customized?
Yes. Doorway dimensions, number of panels, opening direction, glass configuration, color finish, lock type, and track styles can all be customized according to your project requirements. Simply provide the opening dimensions, installation location, and site photos before ordering, and we will tailor the optimal engineering solution.
How long is the delivery cycle?
Delivery time depends on the size, glass configuration, color, hardware selection, level of customization, and total order quantity. Once drawings, payment terms, and technical specifications are finalized, we provide an accurate production schedule. We advise factoring in ample lead time for production, quality testing, and international freight.
What are your payment terms and supported payment methods?
We support 100% in advance or a 30% deposit with the 70% balance settled prior to shipment. For large projects, 100% irrevocable L/C at sight is also supported. We accept T/T (Wire Transfer), online transfer, Credit Card, VISA, PayPal, and Apple Pay.
