1 / 5
Thermal Break French Grid Aluminum Casement Door Energy Saving Exterior Entrance Glass Swing Doors for Patio Balcony LANGE
Product Description
LANGE is a Top 10 system window brand in China with independent intellectual property and strong expertise in aluminum window and door systems. With a 20,000 m² manufacturing facility and a professional team of 100+ designers, we combine advanced manufacturing capabilities with international design standards. As an authorized service provider for leading brands such as SCHÜCO (Germany) and YKK (Japan), LANGE delivers precision-engineered, customized window and door solutions for residential, commercial, and architectural projects worldwide.
Products Description
✓
LANGE direct factory, mass-production, export-grade packaging, stable lead time.
✓
Precision integrated muntin, no stick-on fake muntin, low return & good dealer margin.
✓
6063-T5 aluminum frame, moisture-proof for humid area, low maintenance.
✓
Full custom: arch, special size, internal / external muntin, glass & RAL color.
✓
Hot-selling French style for residential & commercial projects.
✓
Heavy-duty export packaging to reduce shipping breakage.
✓
Complete supporting hardware one-set delivery.
Why Choose Us
Product Showcase
LANGE support: Swing, sliding, double-leaf available. Custom arch, curved, arched-top shape for authentic French vintage style.
Product Parameters
✓ Clear tempered, low-iron, fluted, frosted, frit glass optional, balance light transmission & privacy.
✓ Swing, sliding, double-leaf available. Custom arch, curved, arched-top shape for authentic French vintage style.
✓ Internal muntin or 3D external muntin optional. Adjustable muntin width & gap, no cheap stick-on grids.
Customer Feedback
Company Profile
Frequently Asked Questions
Q1
Are you a factory or a trading company?
We are a factory-direct manufacturer with 22+ years of experience. Our 20,000 m² facility in Zhengzhou, China is equipped with advanced CNC and automated production equipment, including German ELUMATEC SBZ 628 CNC machining centers.
Q2
This is my first time buying from China. How does the process work?
No worries. With 20+ years of export experience, we provide professional support throughout the entire process: Quotation → Design → Production → Quality Inspection → Shipment → Delivery.
Q3
What are your payment terms?
Our standard terms are:
• T/T: 30% deposit, 70% balance before shipment.
• L/C: 100% irrevocable L/C at sight.
Other payment methods may be available depending on the order and transaction terms.
• T/T: 30% deposit, 70% balance before shipment.
• L/C: 100% irrevocable L/C at sight.
Other payment methods may be available depending on the order and transaction terms.
Q4
What is the delivery time?
Lead time depends on order quantity, size, glass configuration, color, hardware, and customization. We will provide a confirmed production schedule after the specifications and order details are finalized.
Q5
Can the aluminum fixed panoramic window be customized?
Yes. We can customize the size, panel configuration, aluminum profile, color, glass configuration, and installation requirements according to your project. Please provide the required dimensions, installation location, and drawings or site photos if available.
Q6
Do you accept large-volume or project orders?
Yes. Our advanced production equipment supports large-volume and full-container orders, with consistent quality and reliable production capacity.
