EOSS system doors & windows (Shandong) Co., Ltd. belongs to Shandong huajian aluminium group co., ltd. We are a well-known production of all-aluminum doors, windows and curtain wall system research enterprises, specializing in doors, windows and curtain wall systems and hardware accessories R & D and design, production and processing, sales and installation and other businesses.
We are relying on advanced technology, excellent quality, and perfect service, extensive services to domestic and foreign dealers and buyers, and are exported to Asia, Africa, the United States, Europe, Oceania, and other countries and regions.
Why Choose Us
Our Factory
We have a nationally accredited laboratory and provincial enterprise technology center, the main production and research equipment introduced from the United States, Germany, France, Switzerland, Israel, and the United Kingdom, bringing together well-known domestic scientific researchers in doors, windows and curtain walls, with a professional, high-level R&D team, research and development of EOSS doors and windows system with independent intellectual property rights.
Advanced Equipment
We have automatic processing equipment of Amperex Pepsodent and a full-automatic intelligent production line of Rede and generate standard process data of EOSS door and window system by JOPPS design software of Belgium, and drive the sawing center, CNC machining center and other equipment for on-line production, to achieve the production capacity of high-end energy-saving system windows and doors with an annual output of 300,000 square meters.
Our Service
EOSS integrates product research and development, lean processing, and retail operation, and widely serves dealers at home and abroad, creating one-stop services for dealers in technical support, marketing, and after-sales installation guidance., modern enterprise management and after-sales service system, achievements of the system windows and doors leader style.
Our Certification
EOSS has advanced testing methods and a complete quality assurance system. It has passed three IOS certifications, Intertek certification, NFRC certification, NAMI certification and 4 PHI certificates, more than 60 series of products and more than 200 invention patents, and has successively obtained "Top Ten Leading Products" from the Real Estate Chamber of Commerce of the All-China Federation of Industry and Commerce and "Star Product Award", "Most Engineer's Favourite Award", etc.
All-Aluminum Door And Window are easy to manufacture as the material required is referred to as extrusions. It is a simple process of cutting the window framing rails to length, wrapping the glass in a rubber gasket, and attaching the rails that are screw-fastened in the corners. The same basic procedure is used for constructing both All-Aluminum Door And Window. Additionally, glass cutting experience will also be required. However, this is also an easy trade to master and most stained-glass retail shops even offer glass cutting courses on nights and weekends. Equipment requirements include a compound miter saw, flat glass-cutting table, a few basic hand tools, and, of course, a small initial inventory of aluminum extrusions, glass, and mechanical parts to get started.
Benefits of All-Aluminum Door And Window
Design Flexibility
Aluminum is available in many durable finishes and a host of different color options. It can also be anodized or powder-coated for extra protection from natural elements. As a result, you likely won’t ever need to repaint or reseal any of your aluminum windows and doors. Other traditional materials just don’t work as well with such durable coatings. Moreover, aluminum offers a more narrow profile for bigger views with less bulky material surrounding it.
Durability
Aluminum is the most preferred window and door material on the market today. It has the durability and weatherproof properties to withstand a wide range of harsh environmental conditions. Unlike other window materials, it will not swell, warp, crack, or split over time. It is tremendously stable during even the most extreme—both hot and cold—weather temperatures.
Energy Efficiency
High performance aluminum windows have the capabilities to exceed rigid energy efficiency standards. They are engineered with a dual glazing technique on (low-e) glass and a thermal break in the framing construction. All of these components combined create highly energy-efficient windows or doors that are built to last for years to come.
Sustainability
Manufacturing All-Aluminum Door And Window products involves a very “green” process. Aluminum is an abundant resource that makes up about 8 percent of the earth’s crust. It is fairly simple to mine and, unlike wood products, it does not require the cutting down of forests or farm-raised trees in the manufacturing process. This material is also one of the most recycled products on our planet. Nearly 75 percent of all aluminum produced in the U.S. is still used today.
Types of All-Aluminum Door And Window

Alumetal tractor window
It is called the sliding or sliding window, and it consists of two, 4 or 6 shutters.
The movement of the sliding window is left and right without the need for spaces inside the place, so it is preferable to use it with apartments and small and also large houses to save space inside and outside the house.
Alometal hinged window
Hinges are used like doors, and it is characterized by the ability to open both doors together,which provides better ventilation for the place, but it is not preferable to use it for small spaces.


Alometal flap window
The flap window consists of one or two leaves, opening from one side, which is the upper side. It is used for bathrooms, kitchens, school bathrooms, hospitals and companies.
Alumetal axial window
Two types are available, either a vertical axial window or a horizontal axial window.

The Difference Between Cheap and Expensive Aluminum Doors and Windows
Profile quality
For aluminum doors and windows, profile quality has always been very important! The quality of the profile specifically includes the thickness and strength of the profile itself and the thickness of its surface oxide film! These various points will have a great impact on the quality of the product, and naturally it is also one of the main factors that widen the price gap.
Selected hardware
Although the domestic door and window industry is developing rapidly, there is still a clear quality gap between domestic products and foreign products in terms of product hardware. In order to save costs, some domestic aluminum alloy door and window manufacturers will choose domestic products when making their products; and some mid-to-high-end brands will choose high-end imported hardware at all costs! As a result, the production costs of the two types of products will further widen the gap, which naturally also has an impact on the final product pricing.
The difference in production level
For the same set of materials, if the level of production process is different, then the final products are often of uneven quality. Therefore, those low-priced mid- and low-end aluminum doors and windows are often not made with more sophisticated and high-level craftsmanship; while high-end products with high prices are produced with excellence, every detail strives for perfection,
Environmental protection performance
Speaking of environmental protection, although this is just an invisible and intangible concept, for a product, whether it is environmentally friendly is indeed related to our own health! Especially for synthetic home building materials such as aluminum doors and windows, its environmental protection performance cannot be ignored.
What are the Surface Treatment Processes of All-Aluminum Door and Window
Anodizing
Anodizing can overcome defects in aluminum alloy surface hardness and wear resistance. Anodized aluminum profile, anti-static, easy to clean without dust collection, has excellent heat dissipation. Beautiful appearance, uniform color, no fading. It can also improve the bonding force between the organic coating and the inorganic covering layer.
Powder coating
Powder coating uses electrostatic coating equipment to spray powder coating onto the profile surface. Powder-coated aluminum profiles are available in various colors, with a low probability of color difference and good corrosion resistance. We have our vertical powder coating equipment workshop that supports aluminum profiles of any length. If you want to know more, you can contact us.
Electrophoretic spraying
Electrophoretic paint film has full, uniform, smooth, and smooth coating advantages. The electrophoretic coating is highly resistant to corrosion and weathering. It has a more decorative effect than spray paint or powder coating, which is very popular among customers.
Matte treatment
The main function is surface cleaning. Sandblasting of aluminum alloy doors and windows before painting (painting or plastic spraying) can increase surface roughness and improve adhesion to a certain extent. Still, the contribution is limited, which is better than the pre-treatment of chemical paint. The matte aluminum profile avoids the defect that the bright aluminum alloy profile will cause light interference under certain circumstances and conditions in architectural decoration. Its surface is as delicate and soft as brocade, which is very popular among customers.
Wood Grain
Wood grain transfer is a surface treatment technology that reproduces various wood grain textures on the surface of aluminum profiles. Wood grain transfer printing has excellent anti-aging, fading, corrosion resistance, and weather resistance and fully displays the beautiful wood grain texture, which is also very popular among customers.
How Are Aluminium Windows And Doors Made?
Design And Measurement
First things first, the manufacturer will meet with their client to discuss their needs, preferences, and the precise measurements needed for the custom window or door.
Next comes the planning stage, where the window or door design is nailed down. This phase involves discussing various factors such as colour, shape, and ornamentation, taking into account the client's preferences and the manufacturer's recommendations.
Extrusion
With the design set in stone, it's time to start making it a reality!
Aluminium profiles are created through a process called extrusion. Extrusion involves heating aluminium billets to a specific temperature (usually around 375°C to 500°C), and then forcing the softened metal through a shaped opening called a die. The die imparts the desired shape to the aluminium, forming profiles with various cross-sections, such as frames, sashes, and mullions.
Cutting And Assembly
Once the profiles are extruded and cooled, they're ready to be cut. The manufacturer will cut each piece to the lengths required for the specific door or window size, making sure to closely follow the client's measurements. Various pieces are then assembled using mechanical fasteners or welding, depending on the manufacturer's chosen method.
Surface Treatment
Raw aluminium can be vulnerable to corrosion, which is why the surface of the pieces are usually treated after being cut. Treatment also helps enhance the appearance of the pieces and (optionally) change their colour.
Treatment can involve processes like anodising or powder coating. Anodising involves creating a protective oxide layer on the aluminium surface, while powder coating involves applying a coloured powder that adheres to the aluminium through an electrostatic process.
Glazing
Next, the glass panes (if there are any) are fitted within the prepared frames. The glass is held in place using gaskets, silicone sealants, or other appropriate materials. The type of glass used depends on the client's preferences - it could be single-pane, double-pane, or even specialised glazing for energy efficiency and sound insulation.
Hardware Installation
The final step in the build process is to install the hardware. Components such as handles, locks, hinges, and weatherstripping are added to the doors and windows, contributing to the functionality, security, and weatherproofing of the end product.
Quality Control
Before the doors and windows are shipped to the client or installed on-site, they're put through rigorous quality control inspections. This guarantees they meet industry standards and are free from any defects.
Transportation And Installation
Once the quality control checks are passed, the doors and windows are finally ready to be sent out for installation! The manufacturer will arrange for them to be transported to the client's site, making sure to protect them so they won't be damaged on route.
Maintenance Tips for Longevity of All-Aluminum Door and Window
Regular Cleaning
Keep your aluminum doors and windows looking their best by regularly cleaning them with mild soap and water. Avoid using harsh chemicals that could damage the finish.
Inspecting for Damage
Regularly inspect the frames and glass for any signs of damage, such as cracks or warping. Addressing these issues early can prevent more significant problems down the line.
Lubricating Moving Parts
For sliding windows and doors, it’s important to lubricate the tracks and rollers periodically to ensure smooth operation. This simple maintenance step can prolong the life of your sliding mechanisms.
Repainting and Refinishing
Over time, the finish on your aluminum doors and windows may wear out. Consider repainting or refinishing them every few years to maintain their appearance and protect them from the elements.
Our Factory
We have a nationally accredited laboratory and provincial enterprise technology center, the main production and research equipment introduced from the United States, Germany, France, Switzerland, Israel, and the United Kingdom, bringing together well-known domestic scientific researchers in doors, windows and curtain walls, with a professional, high-level R&D team, research and development of EOSS doors and windows system with independent intellectual property rights.



Our Certification

FAQ
Q: What is an All-Aluminum Door and Window?
Q: Why Choose All-Aluminum Over Other Materials?
Q: Are All-Aluminum Doors and Windows Expensive?
Q: Are All-Aluminum Products Energy Efficient?
Q: How Secure are All-Aluminum Doors and Windows?
Q: Do They Require Special Maintenance?
Q: How to tell the difference between vinyl and aluminum windows?
Q: Are aluminum windows any good?
Q: Why people prefer to use aluminium doors and windows instead of steel nowadays?
Q: Does anyone still make aluminum windows?
Q: What lasts longer, vinyl or aluminum windows?
Q: Why people prefer to use aluminium doors and windows instead of steel nowadays?
Q: How long do aluminum doors last?
Q: Why it is better to make window frames out of aluminium and not still?
Q: Why are aluminium doors better?
Q: What is the aluminum around windows called?
As one of the most professional all-aluminum door and window manufacturers in China, we're featured by quality products and good price. Please rest assured to wholesale customized all-aluminum door and window from our factory.
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