Slander Door
Slander Door
Engineered for excellence, designed for durability.
Zhejiang Slander Door Co., Ltd. is the leader in the garage door and rolling shutter door industry in China. Founded in 1994, Slander has established itself as a pioneer in the customized manufacturing of door systems, specializing in delivering top-quality products tailored to the specific needs of our customers.
We offer a wide range of solutions, including garage doors, rolling shutter doors, folding doors, aluminum-clad wood doors, sunrooms, wrought iron gates, fence railings, and more. Over the years, we have expanded our product offerings to include cutting-edge designs and innovative products such as container houses, Apple houses, curtain walls, and more, providing a comprehensive, one-stop solution for all door and window needs.
Global Market Insights & Technological Innovations
The global aluminum casement door market is witnessing a significant surge, driven by the rapid urbanization across North America, Europe, and the Middle East. Architects and builders are increasingly moving away from traditional wood and plastic (UPVC) to high-grade aluminum. The reason is simple: aluminum provides a superior strength-to-weight ratio, allowing for larger glass panels and slimmer frames that define modern architectural styles.
In 2024, the demand for sustainable building materials has made aluminum the "green choice." Being 100% recyclable without losing quality, aluminum casement doors are central to LEED-certified projects and eco-conscious residential developments.
Innovation is at the heart of the industry. We are seeing a move towards Thermal Break Technology, where a polyamide strip is inserted between aluminum profiles to drastically reduce heat transfer. This makes aluminum doors as energy-efficient as any other material while maintaining their structural integrity. Furthermore, the integration of smart hardware—automated opening systems, biometric locks, and integrated blind systems—is transforming how users interact with their entryways.
Our flagship aluminum casement doors are engineered for maximum sealing and security. Utilizing multi-point locking systems and EPDM weather-stripping, these doors offer unparalleled protection against air infiltration and water leakage. Perfect for high-end villas and commercial storefronts where performance meets aesthetics.
Meeting Diverse Global Standards
Export Countries
Annual Units
Expert Support
Certified Quality
As a leading China Wholesale Aluminum Casement Doors Factory, we understand that "one size does not fit all." Our designs are adapted for specific climates and building codes:
When space flexibility is paramount, our hybrid folding systems offer the expansive view of a casement door with the space-saving functionality of a folding system. Ideal for modern patios and garden-facing living areas, providing a seamless transition between indoor and outdoor spaces.
These systems are tested for over 100,000 cycles of opening and closing, ensuring a lifetime of smooth operation for your clients.
Unmatched Manufacturing Excellence Since 1994
At Zhejiang Slander Door Co., Ltd., we are more than just a door manufacturer. We are dedicated to continuous innovation and customization to meet the ever-evolving demands of our customers. Beyond our expertise in doors and windows, we invest heavily in the development of sunrooms, creative sunshades, luxury mobile homes, high-rise building curtain walls, and other modern architectural solutions.
More than two decades of experience in manufacturing and supplying a diverse range of doors. We understand the specific needs of different markets and handle complex projects with precision.
Compliance with EU No 305/2011 & Directive 89/106/EEC (CPD). Our quality control measures ensure every door meets the strictest safety and performance standards.
A state-of-the-art 17,000㎡ factory with over 100 skilled employees. Our annual production capacity exceeds 10,000 units, ensuring large-scale supply without delays.
From solar-powered mobile homes to luxury thermal-break systems. Our R&D team continuously pushes the boundaries of what aluminum doors can achieve in terms of aesthetics and tech.
Choosing the right Aluminum Casement Doors exporter is critical for the success of your architectural project. Aluminum casement doors, known for being hinged at the side and swinging outward or inward, offer the best ventilation potential among all door types. Because the sash acts as a wind scoop, it can direct fresh air into the building more effectively than sliding or pivot doors.
In our China-based factory, we primarily use 6063-T5 aluminum alloy. This specific grade is chosen for its excellent finishing properties and structural strength. The "T5" tempering process involves air cooling and artificial aging, which increases the hardness of the aluminum, making it resistant to dents and structural warping over long periods of use. For international wholesalers, this means fewer returns and higher customer satisfaction.
As a global exporter, we offer various surface treatments to match local architectural trends:
Modern architecture demands unique solutions. Whether it's a "Frameless" look for a minimalist kitchen or "Black Gold" frames for a luxury aesthetic, our customization capabilities are endless. We work closely with architects to provide shop drawings and technical consultations. This collaborative approach ensures that the casement doors delivered are not just products, but integral parts of the building's design language.
Full range of Aluminum and Composite Systems
