uPVC Casement Windows | Certified, High-Output Factory

Overview of upvc casement windows

Overview of upvc casement windows

Since we were founded in 2002, LUYISI Doors & Windows has been a dedicated leader in the system doors and windows industry for over two decades. As an experienced factory, we focus on the research, development, manufacturing and sales of high-quality system doors and windows. With an annual output of over one million square meters and the support of partners worldwide, we ensure that customers can enjoy a high-quality and worry-free experience from placing an order to receiving after-sales service. Our professional design, producing and sales teams are dedicated to providing enthusiastic and considerate services, and adhere to the highest integrity standards, offering customers comprehensive one-stop solutions.
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Advantages of upvc casement windows

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

Excellent Certifications

National certifications: Nfrc and Csa, Energy star

Large-scale Factories

Equipped with large-scale production equipment, offering fast production speeds

Annual Exports 1,000,000 m²

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

Factory Area 20,000 ㎡

With over 20,000 square meters, Luyisi efficiently handles high-volume production.

upvc casement windows

UPVC casement windows are cost-effective, low-maintenance hinged window solutions favored for residential apartments, suburban houses and renovation projects worldwide. Constructed from rigid multi-chambered UPVC profiles, they feature hollow cavity structures that deliver naturally excellent thermal insulation far superior to ordinary unbroken metal frames.

Fitted with double glazed insulated tempered glass and multi-layer rubber sealing gaskets, these side-hung windows effectively block heat transfer, cut external noise, prevent water infiltration and stop cold air seepage in winter. High-quality stainless steel hinges and multi-point locking hardware ensure smooth operation and reliable home security, supporting both inward and outward opening configurations.

The UPVC material is inherently resistant to rust, rot, termites and UV fading; no regular painting or anti-corrosion treatment is needed, only simple wiping for daily upkeep. Customization options include standard white, cream, wood grain laminated finishes, bespoke sizes, Georgian bar grids, built-in fly screens and tilt-turn functions. Lightweight yet structurally stable, UPVC casement windows offer budget-friendly long-term performance, a practical choice for mass housing developments, rental properties and family home renovations.

Frequently Asked Questions (FAQ)

Q:Why Choose Us? What Can We Provide?

A:500000+ Cases Win the trust of users worldwide Saving Money The more you order, the greater discount 100% Customization All requirements can be met Verified Certified by international standards Saving Time No need to look for suppliers everywhere
A: Yes,our factory covers an area of 70000m² and has 600+ employees
A: Our main products are aluminum doors and windows.There are over 700 LUYISl specialty stores in China,and several dealers in the Middle East as well.
A: 23-25 days after deposit and drawing confirmed
A: We offer installation video guidance or send engineers to provide on-site guidance

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