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LANGE Modern Aluminum Casement Windows Double Glazed Custom Made Aluminum Window Casement of House
Product Description
LANGE Aluminum Casement Window is engineered for residential and commercial applications demanding reliable performance, clean aesthetics, and long-term durability.
Available in single or double sash configurations, the window opens outward on precision side-hung hinges controlled by a single ergonomic lever handle with multi-point locking.
Products Description
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Reinforced thickened aluminum profile + multi-point locking system, stable & wind resistant
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Standardized production line, 100% batch inspection, uniform product quality
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Full customization support: size, color, glass, hardware, opening mode
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100% factory direct sales, flexible MOQ, big discount for bulk order
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Professional overseas technical team, 5-year official warranty, 24h online service
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
| Parameters | JM77 | JM77 |
| Profile Wall Thickness | 2.2mm | 2.2mm |
| Standard Glass | 5T+12A+5T+12A+5T (Triple-pane, dual-cavity) | 5T+12A+5T (Double-pane) |
| Thermal Insulation | UW 1.2-1.5W/m²K | UW 2.0-2.5W/m²K |
| Wind Load Resistance | +5000Pa | +4500Pa |
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.
FAQ
QAre you a manufacturer or a trading company?
Yes, we are a manufacturer with our own factory and over 22 years of industry experience, located in Zhengzhou, Henan Province.
QThis is my first time importing from China, how does the process work?
Do not worry. We have over 20 years of export experience worldwide and provide full professional support through every step: Order confirmation → Production → Inspection → Shipment → Delivery.
QWhat are your payment terms and methods?
We support 100% in advance or a 30% deposit with the 70% balance due before shipment via T/T. We also accept 100% irrevocable L/C at sight, online transfers, credit cards, VISA, PayPal, and Apple Pay.
QHow long is the delivery lead time?
Delivery time depends on sizing, glass specifications, color, hardware, customization requirements, and order volume. Once drawings, payments, and specs are locked, we issue an accurate production schedule.
QCan the products be customized?
Yes. Dimensions, number of panels, opening mechanisms, glass configurations, profile colors, lock mechanisms, and tracks are fully custom-built. Send us your site dimensions and project photos for an exact quote.
QWhat warranty and after-sales service do you provide?
We provide a 5-year official product warranty, 24/7 online technical support, and assistance from our professional overseas technical engineering team.
