Vertical Sliding Windows | Premium Aluminum Systems

Overview of vertical sliding windows

Overview of vertical sliding windows

Established in 2002, LUYISI Doors & Windows is a trusted manufacturer with over 20 years of experience in the system doors and windows industry. We specialize in manufacturing and global sales of high-quality system doors and windows, delivering reliable products and professional solutions for residential and commercial projects worldwide.
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Advantages of vertical sliding windows

We strictly control quality during inspection and shipment. Products undergo multiple checks before shipping to meet customer and international standards.

Strong Manufacturing Capacity

With an annual output of over one million square meters, LUYISI has the capacity to support large-volume orders, customized products, and long-term project supply. Our stable production system helps ensure consistent quality, reliable lead times, and efficient delivery.

Professional One-Stop Service

From product selection and design communication to manufacturing, shipment, and after-sales support, we provide a complete one-stop service experience, helping customers save time, reduce communication costs, and achieve smoother cooperation.

Excellent Certifications

National certifications: Nfrc and Csa, Energy star

Annual Exports 1,000,000 m²

Luyisi exports 1 million square meters annually, showcasing our production strength.

vertical sliding windows

Our vertical sliding window adopts a classic up-and-down sliding structure, saving extra indoor and outdoor space effectively. Crafted with high-quality aluminum frames and thick tempered glass, it features solid construction, great wind resistance, heat and sound insulation. The smooth sliding mechanism ensures effortless operation without sticking or noise. Equipped with reliable sealing strips, it blocks wind, rain and dust efficiently. Various styles and custom sizes are available to fit residential houses, villas and commercial buildings, combining practicality, safety and elegant appearance perfectly.

Frequently Asked Questions (FAQ)

Q.Can aluminum alloy windows be customized?

A.Yes. We offer comprehensive customization services, including options for dimensions, colors, glass types, profile wall thickness, and opening styles (such as sliding, casement, folding, or tilt-and-turn).
A.Both materials have distinct advantages: PVC windows offer excellent thermal insulation and soundproofing due to their low thermal conductivity. They are commonly used in residential buildings and are suitable for complex designs such as curved or custom shapes. Aluminum alloy windows offer superior structural stability and resistance to deformation. They perform exceptionally well in high-rise buildings, large openings, and harsh environments like coastal areas with high humidity or salt spray corrosion. The choice of material depends on project requirements, climate conditions, and personal preference.
A.Standard production time is approximately 25 days after order confirmation, depending on product type, customization requirements, and order quantity.
A: We offer installation video guidance or send engineers to provide on-site guidance
A: 23-25 days after deposit and drawing confirmed

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