Langetech maintains an annual production capacity of 500,000 SQM providing stable and reliable factory direct supply services. Whether managing customized solutions for iconic landmark buildings or handling large scale bulk orders, we offer essential BIM and CAD technical support to help you stand out in local bidding and successfully secure premium high end projects.
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
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.
Product Showcase
LANGE support: Swing, sliding, double-leaf available. Custom arch, curved, arched-top shape for authentic French vintage style.
✔ 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.
LANGE French grid glass door delivers classic vintage French style with precise aligned muntins and slim aluminum frame. Swing, sliding and arched designs are available with custom glass & finish. High-grade aluminum and safety tempered glass ensure long-lasting performance for villa, apartment, B&B and retail projects. Stable mass delivery for global distributors and contractors.
Customer Feedback
LANGE French grid glass doors with fine muntin workmanship, flexible customization and reliable lead time. Popular for overseas residential projects.
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)
QAre you a factory? Where is your location?
Yes, we have our own factory with over 22 years of manufacturing experience. We are located in Zhengzhou, Henan Province, China.
QAs it is my first time importing online from China, how does the process work?
No need to worry. We have over 20 years of export experience worldwide with professional technical support. We guide you clearly through the entire workflow: Order confirmation → Production → Quality Inspection → Shipment → Final Delivery.
QWhat are your payment terms and acceptable payment methods?
We support 100% in advance or deposit in advance with balance before shipment (such as T/T 30% deposit, 70% balance before shipment). We accept T/T (Wire Transfer), online transfer, Credit Card, VISA, PayPal, Apple Pay, and 100% irrevocable L/C at sight.
QHow long is the production and delivery cycle?
Delivery time depends on dimensions, glass configuration, color, hardware, customization complexity, and order volume. Once drawings, specifications, and payment terms are confirmed, we provide a formal production schedule.
QCan this Aluminum Grid Glass Door be fully customized in size?
Yes! Doorway dimensions, number of panels, opening direction, glass specs, frame color, lock style, and track types can all be customized according to your project requirements. Please provide doorway measurements and site photos for a precise quote.