ZIIISUN aluminum window & door factory
Our premier offerings include aluminum sliding windows, aluminum casement doors, aluminum casement windows, sliding doors, and sunrooms. These versatile and stylish products are the epitome of elegance and functionality. Ideal for home decoration, they enhance the aesthetic appeal and functionality of residences, apartments, schools, hospitals, and commercial buildings.
Aluminum Frame Heavy Duty Bi Folding Door for Balcony
Experience unparalleled convenience with our diversified folding and opening methods. Our doors boast a stylish and elegant appearance, ensuring ease of sliding and opening. They are waterproof, moisture-proof, and offer excellent sound insulation, making them not only durable but also a perfect blend of form and function.
We incorporate top-quality imported hardware from Kerssenberg and equip our doors with anti-pinch rubber strips, ensuring the utmost safety for the elderly and children.
Comes with a secure key lock for added safety.

Engineered with a lower pulley featuring ball bearings and a stainless steel slide rail, our doors are designed to prevent wind, dust, and rainwater from penetrating the interior, ensuring a pristine indoor environment.

Safety First: A unique set of safety features designed to provide peace of mind.
Innovative design to protect your hands from getting accidentally pinched.

Unlike traditional sliding doors that limit you to opening just half of the total area, our aluminum folding doors open fully to create expansive, panoramic access to your garden or yard. Designed with a concertina style, these bifold doors feature two or more interconnected panels that fold flat against one side, offering seamless integration and an unobstructed view. Embrace the outdoors with folding patio doors, the ultimate solution for maximizing natural light and uninterrupted vistas. At ZIIISUN, we provide an extensive array of RAL color options, finishes, frame styles, and custom sizes to ensure your project is perfectly tailored to your needs.
ZIIISUN Windows & Door, the unparalleled expert in window and door systems, brings over 15 years of industry excellence to the forefront. As one of China’s premier suppliers of aluminum window and door systems, we proudly offer an expansive array of locally crafted aluminum window and door suites, meticulously designed to cater to both residential and commercial needs.
Compelling Reasons to Choose Us
1. Established in 2009, we have dedicated 15 years to mastering the craft of Aluminum windows and doors.
2. Annually, we produce over 200,000 square meters of superior quality windows and doors.
3. With a global reach, we have exported to Oman, Kenya, Malaysia, Philippines, Cameroon, Ghana, Reunion, Senegal, Australia, Swaziland, India, Mauritania, Tanzania, Angola, Togo, Thailand, Saudi Arabia, Djibouti, Zimbabwe, Barbados, Zambia America, Kenya for over 18 years, backed by our team’s extensive experience in container loading.
4. We utilize premium materials, including top-brand aluminum profiles, proudly sourced from Foshan-China's largest aluminum production base.
5. Owning an in-house tempered glass factory enables us to promise shorter delivery times compared to our competitors.
6. Our skilled team, renowned for their extensive experience in window and door manufacturing, ensures products with stable, reliable performance and impeccable detail.
7. Conveniently located, our factory is just a half-hour drive from Guangzhou Baiyun Airport, making visits to us effortless.
>>> Our dedicated team of over 100 professionals is committed to excellence.
>>> Spanning an impressive 58,000 square meters, our factory is a hub of innovation.
>>> We proudly produce over 100,000 square meters of premium products annually.
>>> With at least 100 containers exported to the USA, Canada, and Australia, our global reach is extensive.
>>> Backed by more than 15 years of experience in R&D and manufacturing, we are industry leaders.
Leveraging strong technical prowess, cutting-edge technology, and comprehensive facilities, we offer an extensive range of products. Our offerings include Bi-fold doors and windows, Stacking and Sliding doors and windows, Aluminium hinged doors, Awning and Casement windows, Aluminium and Glass Louvres, Sunroom Balustrades & Handrails, and much more.
Q1: Are there any issues with the glass inside? Is there any condensation or fogging?
A: Typically, we use 5mm+12A+5mm double glass. You can rest assured that our double glass is professionally crafted, ensuring no steam or fogging between the double glass.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 the wall is perfectly fine.
Q3: What happens if the glass breaks for no reason?'m afraid the rest will be broken
The glass will only break if subjected to impact force; it 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:
Sliding doors look unattractive with single glass. There is ample space for glass, requiring extensive silicon filling if single glass is used.
5mm double glass is safer than 6mm single glass.
5mm double glass provides 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 use glass silicon because double rubber is not strong enough and is more prone to falling off.