To become a global home doors and Windows industry respected factory.

Aluminum Double inward opening system windows (105) 1
Aluminum Double inward opening system windows (105) 2
Aluminum Double inward opening system windows (105) 1
Aluminum Double inward opening system windows (105) 2

Aluminum Double inward opening system windows (105)

WJW's Aluminum Internal System Window – a breakthrough in modern design and functionality. This innovative window seamlessly integrates into your space, providing a sleek and streamlined appearance. With advanced internal systems, it ensures optimal insulation and durability.


    no product data.

    Go to homepage

    ● Elevate safety with the use of 6063-T5 primary aluminum, ensuring heightened strength. 

    ● Designed with a super-national standard 2.0mm wall thickness, easily handling large balconies and expansive glass areas. 

    ● Choose between standard diagonal or square pressure lines, featuring an internal and external flat frame for a clean and stylish vision. 

    ● Revolutionary fixed glass design eliminates the need for glue both inside and outside.

    ● Experience enhanced insulation with a 44mm ultra-wide PA66 multi-cavity nylon heat insulation strip, doubling performance. 

    ● Incorporating Xinyi glass original, our windows boast a standard 5+10A+5+10A+5 insulating glass, significantly improving sound and thermal insulation performance.

    ● The glass fan undergoes a seamless welding process, complemented by a foam isobaric rubber strip. 

    ● Opt for custom hardware for the gauze, featuring quick disassembly and assembly design. 

    ● Benefit from our four-cavity reinforcement design, enhancing both sound and thermal insulation performance. 

    ● Appreciate the convenience of hidden drainage design, ensuring smooth water drainage without the risk of rainwater pouring back. 

    ● Our frame and fan utilize the Angle Code injection process, enabling seamless welding for improved overall strength and superior waterproof sealing performance.

    01 (3)
    02 (2)

    Internal and external flat frame design to prevent bumping. The inside and outside flat frame, the visual effect is more beautiful, fashionable, in line with modern aesthetic design, and the flush design makes the interior reduce the accumulation of dust in rainy days and affect the sealing performance.

    5+12A+5+12A+5 hollow tempered glass, the use of bonding method to maintain a certain distance between two tempered glass, and the perimeter is sealed with sealing materials, sound insulation, heat insulation performance is excellent.


    Isotherm insulation design, sealing position, alternate design and energy saving glass using radiation conduction. The direct conductivity of the convection conductive material is combined with the optimal limited equilibrium. Improve thermal insulation performance, reduce the overall energy consumption of doors, Windows and buildings, energy saving and environmental protection.

    Key attributes

    Material Aluminum,glass
    Color Black, grey, coffee
    Standard hollow 5mm+27A+5mm
    Sealing arrangement Jiangyin Haida EPDM sealing rubber strip
    Thermal insulation strip PA66 glass fiber reinforced nylon heat insulation strip
    Hardware fittings Full set of HOPO Inside Opening and inside pouring (lifetime warranty)

    Other attributes

    Place of Origin Guangdong, China
    Brand Name WJW
    Mounted Flooring
    Position Living room, balcony, study, bedroom,
    office and other indoor partition
    Surface finish Brushed finish or Mirror Polish
    MOQ Low MOQ
    Trade Term EXW FOB CIF
    Payment terms 30%-50% deposit
    Delivery time 15-20days
    Feature Design and customize
    Glass Tempered
    Size Free design accpeted

    Packaging and delivery

    Packaging Details Aluminum windows and accessories fully sealed plywood packaging, cardboard box
    Port Guangzhou

    Packing & Delivery

    To protect the goods, we pack the goods at least three layers. The first layer is film, the second is carton or woven bag, the third is carton or plywood case. Glass: plywood box, Other components: covered by bubble firm bag, packing in carton.


    Are you trading company or manufacturer ?
    A: We are factory.
    How long is your delivery time?
    A: Generally it is 25--35 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
    How to accept product quality?
    A: If it is a standard product, we can provide samples to the customer for confirmation.
    What is your terms of payment ?
    A: T/T or Negotiate with you
    Get in touch with us
    Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
    Copyright © 2024 Foshan WJW Aluminum Co., Ltd. | Sitemap Design by Lifisher
    Customer service