Anti-theft thermal insulation Steel/Aluminum/Aluminium/Metal Black Bullet Proof /hurricane impact Double Glass/Glazed /fold up/Folding Window for House/coffee
Product Description
Windowkey aluminum sliding windows have long been a popular choice by home owners and builders . Because of its easy install and operate features, sliding window plays an important role for a perfect balcony or any space division. Aluminum sliding windows are our company's best-selling products.Sliding windows that don't take up space in the room.Large opening space,easy to open.Our size can be customized.Can be equipped with 304 stainless steel screen.The anti mosquito effect is very good.Windowkey welcome to inquire price.Our company mainly produces various types of sliding windows. |




1. Good lighting and ventilation
The sash of aluminium alloy upward-folding window can be fully opened, with a large opening area, without the blockage of the middle window frame, which allows more light to enter the room and better lighting. At the same time, it can also achieve good ventilation effect
2. Does not occupy space
When the window sashes are completely folded together, the gap is small and does not occupy space. You can choose the folding effect of the window sash outside to further free up indoor space
3. Strong sound insulation performance
Aluminium alloy windows and doors are usually made of hollow tempered glass, which has a strong sound insulation effect and can effectively reduce the interference of external noise.
4. Good sealing
The sealing of aluminium alloy doors and windows directly affects their function and energy consumption. Good watertightness and airtightness can ensure that in bad weather conditions, such as heavy rainfall, effectively prevent rainwater from entering the room, and in daily use to provide windproof, warmth preservation effect.
5. Durable
The surface of aluminium windows and doors is covered with a very thin but strong aluminium oxide film, which is moisture-proof, anti-aging and non-deforming, and has a long service life and does not require frequent replacement or maintenance.






Item Name | Aluminun Bifolding windows / Aluminum Bifold Porch Window/ Fold Up Windows |
Profile | 1.6mm/1.8mm thickness for windows |
Dimension | Can be customized |
Surface Treatment | Powder coating, Anodizing, Electrophoresis, Heat transfer for wood grain, PVDF etc |
Glass Type | Single Glass: 5mm,6mm,8mm,10mm,12mm etc. Double Glass: 5mm+12Air+5mm; 6mm+12Air+6mm etc.Triple Glass: 5mm+6Air+5mm+6Air+5mm; Laminated Glass: 5mm+0.76PVB+5mm; |
Glass Color | Tinted Glass; Blue Glass; Grey Glass; Obscure Glass; Low-E Glass; Frosted Glass etc. |
Thermal break profile aluminum window insulation 1. Thermal insulation: thermal break aluminium alloy windows are made by threading thermal insulation strips into the middle of aluminium profiles, breaking the aluminium profiles to form a bridge, effectively preventing the conduction of heat, thus improving the thermal insulation performance of doors and windows. 2. Sound insulation and noise reduction: this window adopts hollow glass structure, which can improve the thermal insulation performance and sound insulation effect, effectively reduce the resonance effect of sound waves and prevent the transmission of sound, which can reduce the noise by more than 30dB. 3. Strong weather resistance: insulated aluminium alloy windows have excellent weather resistance, able to resist the erosion of acid and alkali and not subject to air pollution, acid rain, ozone attack, UV resistance, long-term maintenance of the inherent colour and luster. 4. Long service life: due to light weight, high strength, precision and accuracy of processing and assembly, aluminium alloy windows and doors open and close easily and flexibly, no noise, easy to use and maintain, corrosion resistance, small deformation, strong fire resistance. |

Weifang Windowkey Metal Products Co., Ltd. built in 2012 ,have more than 10 years experience in doors and windows processing.Which has more than 100 employees, covers an area of 50,000 square meters, and has more than 30 sets of advanced door and window production equipments and multiple glass curtain wall production lines.Providing one stop service for your house!That we could design and process products of different appearance, size and color according to the needs of customers, and also provide door-to-door installation services. As a professional manufacturer of doors and windows, all of our products are with CE,3C,NFRC Certificate and product testing report. The company adheres to the principle of "providing customers with perfect products and services", adheres to the business philosophy of "honesty and trustworthiness, pursuit of excellence", and strives for win-win development with customers! |
Step 1.Protective tape protects frames from scratches;
Step 2.Keep windows or doors fixed on iron pallets;
Step 3.Tie up windows or doors on the iron pallets with plastic belts;
Step 4.PE films to keep away from sea water;
Step 5.Fill in the space between each two iron pallets by air bags;
Step 6.Tie up iron pallets in container with plastic belts.
Delivery Time 10 ~ 30 Days According To Different Models & Containers
Remarks The Thickness, Specification, Finishing, Color, Glass...etc can be changed or customized, Pls contact us for providing professional service to you

Q: Are you a manufacturer or a trading company?
A: We are manufacturer of doors& windows, specializing in the manufacture and expecting of this field for more than10 years. Located in weifang City Shandong province, Welcome to visit our factory.
Q: How can I know your price?
A: The price is based on our buyer's specific requirement, so please provide information to help us quote the exact price to you.
1) Drawing, dimensions, quantity, and type;
2) Frame color;
3) Type of glass and thickness and color.
Q: What is your payment terms?
A: Normally,50% of total amount by T/T as deposit and balance before delivery.
Q: Do you have installers or can you send installation team to project site?
Q: Can you accept OEM or ODM service?
A: Yes, we can design windows and doors according to customers' specific requirements and accept customized designs.