ZIIISUN Aluminum Window & Door Factory
Our flagship products include aluminum sliding windows, aluminum casement doors, aluminum casement windows, sliding doors, and sunrooms. These versatile solutions are extensively utilized in residential homes, apartments, schools, hospitals, and commercial buildings.
Aluminum Frame Heavy Duty Bi-Folding Door for Balconies and Patios
Experience a new level of versatility with our bi-folding doors that offer diversified folding and opening methods. Elegantly stylish, these doors are not just easy to slide and open, but are also waterproof, moisture-proof, and offer exceptional sound insulation.
Crafted with precision, our doors incorporate imported hardware from Kerssenberg and feature anti-pinch rubber strips, ensuring the utmost safety for both the elderly and children.
Equipped with a Secure Key Lock

Our lower pulley system, featuring ball bearings and a stainless-steel slide rail, is ingeniously designed to prevent wind, dust, and rainwater from infiltrating your living space.

Safety First: A Comprehensive Suite of Unique Safety Features
Thoughtfully designed to prevent accidental pinching of hands, ensuring a safe and user-friendly experience.

Unlike traditional sliding doors, which limit openings to only half the total area, our folding doors offer a revolutionary experience by opening completely. This creates expansive, panoramic views of your garden or yard. Bifold doors are ingeniously designed with two or more interlinked panels that concertina-style fold flat to one side, maximizing your space. Choose folding patio doors to bathe your interiors in natural light and enjoy the largest, uninterrupted vistas. ZIIISUN provides an extensive palette of RAL color options, exquisite finishes, diverse frame styles, and customizable sizes, allowing you to craft the perfect bespoke solution for your project.
ZIIISUN Windows & Door, the unparalleled expert in window and door systems with over 15 years of exceptional experience, is proudly one of China's foremost suppliers of premium aluminium window and door systems. We offer a vast and diverse array of meticulously crafted, locally designed aluminium window and door suites, perfectly suited for both residential and commercial applications.
Why Choose Foshan Youshang Door and Window System Co., Ltd
1. Established in 2009, we boast 15 years of specialized expertise in crafting premium aluminum windows and doors.
2. Annually, we produce over 200,000 square meters of top-quality windows and doors.
3. With a proud export history spanning over 18 years, our products reach destinations like Oman, Kenya, Malaysia, the Philippines, Cameroon, Ghana, Reunion, Senegal, Australia, Swaziland, India, Mauritania, Tanzania, Angola, Togo, Thailand, Saudi Arabia, Djibouti, Zimbabwe, Barbados, Zambia, America, and Kenya. Our experienced team excels in efficient container loading.
4. We use only the finest materials, featuring top-brand aluminum profiles sourced from Foshan—China's premier aluminum production hub.
5. By owning our tempered glass factory, we significantly shorten delivery times compared to our competitors.
6. Our skilled window and door manufacturing team ensures stable, reliable, and impeccably detailed products.
7. Conveniently located just a 30-minute drive from Guangzhou Baiyun Airport, visiting our factory is quick and easy.
>>> Our dedicated team consists of over 100 skilled professionals, each bringing unique expertise to our innovative workspace.
>>> Spanning approximately 58,000 square meters, our expansive factory area is designed to accommodate large-scale production with utmost efficiency.
>>> Our impressive production capacity exceeds 100,000 square meters annually, ensuring we meet the most demanding project requirements.
>>> We proudly export a minimum of 100 containers yearly to prime markets including the USA, Canada, and Australia, showcasing our global reach and reliability.
>>> With over 15 years of experience in R&D and manufacturing, Foshan Youshang Door and Window System Co., Ltd. remains at the forefront of industry innovation and excellence.
Empowered by a robust technical foundation and cutting-edge technology, we offer a comprehensive suite of high-quality products. These include Bi-fold doors and windows, Stacking and Sliding doors and windows, Aluminium hinged doors, Awning and Casement windows, Aluminium and Glass Louvres, and Sunroom Balustrades & Handrails, among others. Each product is meticulously crafted to provide exceptional performance and aesthetic appeal.
Q1: Are there any issues with the glass inside? Does it develop steam or become foggy?
A: Typically, we use 5mm+12A+5mm double glass. Rest assured, our double glass is professionally crafted to prevent steam or fogging between the panes.ble glass
Q2: Do all these doors and windows come with frames for wall mounting?
A: Yes, all the doors and windows include frames. Installing them on walls is straightforward.
Q3: What if the glass breaks without any reason? I'm concerned the rest might break as well.'m afraid the rest will be broken
The glass would only break due to an external impact force and won't break on its own.'t break itself.
Q4: Can I use 6mm single glass instead of 5mm double glass?
A; It is better to use 5mm double glass because
A sliding door looks less appealing with single glass. The wide space would require excessive silicon filling with single glass.
5mm double glass is safer than 6mm single glass.
5mm double glass offers better soundproofing than single glass.
Q5: Can you use rubber instead of glass silicon?
A: Yes, but only on one side. The other side must be glass silicon as double rubber isn't strong enough and is prone to falling off.