LANGE Double Glazed Aluminium Sliding Windows Low-E Glass Durable Corrosion Resistant Horizontal Slider Window

Product Description

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

Products Description
LANGE accepts large engineering projects; stable production capacity ensures on-time delivery.
LANGE supports non-standard size customization, processing different opening specifications according to architectural drawings.
Optional track solutions: double track or triple track to fit design requirements.
LANGE optional hardware and sealing accessories meet air and water tight standards of different regions.
LANGE flexible glass selection: insulated, Low-E, laminated glass optional.
LANGE customized profile surface colors: color card available to realize unified facade matching.

Why Choose Us

German Elumatec CNC Processing
Large In house Production Base

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.

LANGE Large In-house Production Base Built For Bulk Engineering Orders: We stably undertake bulk engineering orders for sliding windows and other doors and windows, controlling processing precision strictly to ensure on-time delivery.

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Product Showcase

LANGE Sliding Windows Showcase
LANGE sliding windows can be customized for any space and architectural style. Suitable for living rooms, kitchens, and offices. Non-standard size customization available. Profile color and glass configuration adjustable to fit single-family homes, apartment renovations, commercial buildings, and construction projects in different countries.

Product Parameters

Product Parameters Chart
Hardware Accessories
LANGE windows are equipped with German brand hardware accessories. The material is corrosion resistant and high strength. It keeps smooth and stable after repeated opening and closing, greatly extending window service life. Suitable for sliding windows, casement windows, and other window types. It can meet long-term usage demands of residential and commercial projects in different countries and reduce later maintenance cost.
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Concealed Drainage Structure
LANGE sliding window adopts concealed vertical drainage to prevent water leakage. Misoperation prevention lock ensures safety. Stainless steel bottom track and silent pulleys guarantee smooth, quiet sliding for years.
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Customer Feedback

Customer Feedback
Engineering clients from many regions worldwide choose LANGE sliding windows. Stable product quality, professional project services, and on-time delivery win numerous positive feedback from overseas distributors and building contractors. We keep optimizing products and supporting services to undertake more large-volume door and window projects.

Company Profile

Company Logistics 1
Company Logistics 2
Company Logistics 3
LANGE supports multi-modal transport including sea freight, railway, and truck delivery for global construction projects. Products are packed with reinforced protection and professionally loaded to reduce damage during transit. We can select proper shipping methods according to project schedule and destination, control delivery cycle stably, and ensure bulk window orders arrive on time.
Factory Facility
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 manufacturer or factory?
Yes, we have our own manufacturing factory with over 22 years of industry experience, located in Zhengzhou, Henan Province.
Q2As a first-time importer from China, how does the ordering process work?
No need to worry. We possess over 20 years of global export experience with dedicated technical support. Our streamlined process guides you clearly: Order & Specification Confirmation → Production → Quality Inspection → Shipment → Delivery.
Q3What payment methods and terms are accepted?
We support 100% in advance or deposit in advance with balance settled prior to shipment. Accepted payment methods include T/T (Wire transfer), online transfer, Credit Card, VISA, PayPal, Apple Pay, and L/C at sight. Standard terms: T/T 30% deposit with 70% balance before shipment, or 100% irrevocable L/C at sight.
Q4How long is the typical delivery cycle?
Delivery time depends on sizing, glass configurations, profile colors, hardware choices, customization level, and bulk order quantity. Once drawings, terms, and technical specifications are finalized, we provide a formal production schedule.
Q5How is the client feedback on LANGE sliding window projects?
Overseas contractors, architects, and distributors consistently give high ratings to LANGE sliding window systems. Consistent build quality, clear engineering communication, and punctual bulk delivery ensure engineering projects finish successfully.
Q6Can you handle customized sizes and project bidding specifications?
Yes. LANGE fully supports non-standard architectural dimensions, double or triple track choices, specialized hardware configurations, and multi-functional glass types, providing essential BIM/CAD technical documentation to assist project tenders.

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