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LANGE Modern Aluminum Alloy Folding Door Folding Aluminum Sliding Doors For Residential And Commercial Patio Balcony
Product Description
ALUMINUM BI-FOLD FOLDING DOOR • Fold Open the Wall, Embrace the Outside
REDEFINE YOUR LIVING SPACE
The LANGE Aluminum Bi-Fold Door transforms any wall into a fully open panoramic passage. Engineered for luxury villas, high-end apartments, and commercial spaces, our bi-fold system delivers the perfect fusion of architectural beauty, structural precision, and effortless operation — connecting interior and exterior living like never before.
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
Commercial & Residential Folding Patio Door: Space-Saving, Soundproof, Waterproof, Thermal Insulation. Perfect for Villa, Balcony, Hotel, Office & Project Engineering applications.
Customer Feedback & Engineered Solutions
| Issues of Concern | LANGE Solutions |
|---|---|
| Sagging After Long-term Use: Excessive leaf weight causes track deformation over time. |
Reinforced Guide Rails: 3.0mm thick aviation-grade aluminum tracks paired with precision steel bearings guarantee zero sagging for 10 years. |
| Air & Water Leakage: Numerous folding joints often lead to poor sealing and moisture penetration. |
Multi-layer EPDM Sealing: Double sealing strips at every joint ensure premium airtightness and Class 4+ watertightness. |
| Logistics Damage: Large-scale glass folding doors are highly fragile during international shipping. |
Steel-Reinforced Crates: Custom-engineered steel-wood composite packaging, maintaining a damage rate of less than 0.1%. |
Product Parameters & Configurations
Folding door detail drawing instructions (opening methods can be combined arbitrarily): Odd + Odd, Odd + Even, Odd + 0; Even + Even, Even + Odd, Even + 0.
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
Q1Are you a direct manufacturing factory?
Yes, we operate our own manufacturing plant with over 22 years of industry experience, located in Zhengzhou, Henan Province.
Q2How does the ordering and procurement process work for first-time overseas buyers?
With over 20 years of global export experience, our team provides full operational guidance. The procedure follows a clear path: Order & Spec Confirmation → Precision Production → Quality Inspection → Shipment → Delivery.
Q3What payment methods and transaction channels do you support?
We support 100% advance payment or a deposit upfront with the remaining balance due prior to shipment. Supported methods include T/T (Wire Transfer), online transfer, Credit Card, VISA, PayPal, Apple Pay, and L/C at sight.
Q4How long is the delivery and production cycle?
Delivery time depends on dimensions, glass configuration, color, hardware, level of customization, and order volume. Once drawings and technical terms are finalized, a formal production schedule is provided to guarantee timely delivery.
Q5Can the aluminum folding doors be fully customized in size and configuration?
Yes. Doorway dimensions, number of leaves, opening directions (Odd + Odd, Odd + Even, Even + Even, etc.), glass options, color finishes, locksets, and track types can all be tailored to project specifications. Please supply width, height, and site photos for engineering calculations.
Q6What are the standard payment terms for commercial orders?
Standard terms are T/T with a 30% deposit upon order confirmation and the remaining 70% balance settled before dispatch. We also accept 100% irrevocable L/C at sight.
