Introducing ZIIISUN: The Premier Aluminum Window & Door Factory
Our signature products include premium aluminum sliding windows, elegant aluminum casement doors, versatile aluminum casement windows, sleek sliding doors, and sophisticated sunrooms. These superior products are perfect for enhancing the aesthetic and functionality of homes, residences, apartments, schools, hospitals, and commercial buildings alike.
Sturdy Aluminum Frame Heavy Duty Bi-Folding Door for Balcony Elegance
Experience the ease of diversified folding and opening methods, complemented by a stylish and visually appealing design. Our doors are remarkably easy to slide and open, boasting waterproof and moisture-proof qualities, excellent sound insulation, and long-lasting durability.
We utilize imported hardware from Kerssenberg, paired with anti-pinch rubber strips designed to ensure the safety of both the elderly and children.
Built-in Key Lock Mechanism for Enhanced Security

The robust lower pulley with ball bearings and a stainless steel slide rail is meticulously designed to withstand wind, dust, and prevent rainwater from seeping indoors, ensuring a clean and protected interior.

Safety First: A Unique Set of Advanced Safety Features
Engineered to Protect: Features to Prevent Accidental Hand Pinching

Unlike sliding doors, which only allow half the total area to be opened, our folding doors offer a complete and expansive opening, creating stunning panoramic vistas into your garden or yard. Crafted with precision, bifold doors feature two or more interconnected panels that open in a concertina style, folding away seamlessly to one side. This innovative design ensures you experience maximum natural light and the most expansive, uninterrupted views. ZIIISUN proudly presents an extensive selection of RAL color options, exquisite finishes, versatile frame styles, and customizable sizes, enabling you to tailor a bespoke solution that perfectly matches your project’s unique requirements.
ZIIISUN Windows & Door, the ultimate expert in window and door systems, boasts over 15 years of industry excellence. As one of China's premier suppliers of aluminum window and door solutions, we deliver an expansive array of locally engineered aluminum window and door suites, perfect for both residential and commercial uses.
Why Choose Us?
1. Established in 2009, we have specialized in Aluminum windows and doors for over 15 years, providing unmatched expertise.
2. We produce more than 200,000 square meters of windows and doors annually, showcasing our large-scale production capabilities.
3. With over 18 years of export experience, we have successfully shipped to Oman, Kenya, Malaysia, Philippines, Cameroon, Ghana, Reunion, Senegal, Australia, Swaziland, India, Mauritania, Tanzania, Angola, Togo, Thailand, Saudi Arabia, Djibouti, Zimbabwe, Barbados, Zambia, and America. Our workers are experts in container loading, ensuring safe and efficient delivery.
4. We use premium materials, including top-brand aluminum profiles, and are located in Foshan—China's largest aluminum production base, guaranteeing superior quality.
5. Our in-house tempered glass factory allows for shorter delivery times compared to competitors.
6. Our experienced team ensures stable and reliable product performance, excelling in detailed processing, making our windows and doors stand out.
7. Conveniently located just a half-hour drive from Guangzhou Baiyun Airport, visiting our factory is both easy and hassle-free.
>>> Our company proudly employs a dedicated team of over 100 skilled professionals, ensuring top-tier craftsmanship and service.
>>> Spanning an impressive 58,000 square meters, our state-of-the-art factory is meticulously designed for optimized production.
>>> Our annual production capacity exceeds a staggering 100,000 square meters, demonstrating our capability and reliability.
>>> We have successfully exported at least 100 containers to major markets in the USA, Canada, and Australia, showcasing our global reach.
>>> With over 15 years of unparalleled experience in R&D and manufacturing, we stand as industry leaders in innovation and quality.
Boasting robust technical expertise, cutting-edge technology, and comprehensive facilities, we offer a diverse array of premium products including Bi-fold doors and windows, Stacking and Sliding doors and windows, Aluminium hinged doors, Awning and Casement windows, Aluminium and Glass Louvres, as well as sunroom Balustrades & handrails.
Q1: Are there any issues with the glass inside? For example, is there steam or fogging?
A: Typically, we use 5mm + 12A + 5mm double-glazed glass. Rest assured, our double-glazed glass is professionally crafted to prevent steam and fogging between the panes.ble glass
Q2: Do all these doors and windows come with frames to mount on walls?
A: Yes, all our doors and windows include frames, and they are ready for wall installation.
Q3: What if the glass breaks without any apparent reason? I'm concerned the rest might break too.
Glass usually breaks due to significant impact force; however, it will not break on its own.'t break itself.
Q4: Can I use 6mm single glass instead of 5mm double glass?
A: We recommend using 5mm double-glazed glass because
a sliding door looks unattractive with single-pane glass. The wider space for single glass would require excessive silicon filling.
5mm double-glazed glass is safer than 6mm single-pane glass.
5mm double-glazed glass is more soundproof than single-pane glass.
Q5: Can you use rubber instead of glass silicon?
A: Yes, but only on one side. The other side must use glass silicon because double rubber is not strong enough and is more prone to falling off.