Features
Why Choose Del Building?
Perfect production system
DER Building has a unique, personalized, systematic and refined "18 workers" system in the industry.
Rich production experience
Shanghai DER Building aluminum doors and windows inherit the graceful lines of German architecture and Gothic architectural style, and have established a unique style image belonging to Building in the industry.
Continuous pursuit of innovation
Shanghai DER Building will continue to forge ahead and relentlessly pursue the concept of artistic door and window to every customer. Let the aluminum alloy door and window of the company become the guardian of your high-grade life, is the eternal pursuit of the company!
upvc windows
Shanghai DER Building aluminum doors and windows inherit the graceful lines of German architecture and Gothic architectural style, and have established a unique style image belonging to Building in the industry, becoming a new type of sun room, broken bridge aluminum alloy window and door manufacturing, etc. A series of large-scale door and window benchmarking enterprises related to design, manufacture and installation.
Shanghai DER Building will continue to forge ahead and relentlessly pursue the concept of artistic door and window to every customer. Let the aluminum alloy door and window of the company become the guardian of your high-grade life, is the eternal pursuit of the company!
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Frequently Asked Question
Do you have any question?
UPVC windows are made of polyvinyl chloride (UPVC) resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, ultraviolet absorbers, etc., are extruded to form the material, and then cut, welded or screwed production.
UPVC windows are a new generation of window materials, which have the advantages of high wind pressure resistance, good air and water tightness, small air and rain penetration, low heat transfer coefficient, heat preservation and energy saving, sound insulation, and resistance to aging.
In addition to the problem of filling materials, you must pay attention to the size design when installing. The size of the upvc window should be smaller than the size of the hole. At the same time, the size of the window components and the size of the drain hole of the window must be taken into consideration.
Our updates and blog posts
upvc-windows | Aluminum Profile Skylight Windows Manufacturers & Suppliers From China
The broken bridge aluminum skylight window is composed of profiles with aluminum on both sides, and the plastic profile cavity is used as the heat-breaking material in the middle. This innovative structural design takes into account the advantages of both plastic and aluminum alloys, while meeting the various requirements of decorative effects and glazing windows and doors strength and durability. The heat-insulating bridge aluminum-plastic profile can realize three-way multi-gate sealing structure of Heat resistant windows, reasonably separate the water vapor chamber, successfully realize the pressure equalization of gas and water, and significantly improve the watertightness and airtightness of the doors and windows.
upvc-windows | Winding Chain Windproof Awning Window Manufacturers & Suppliers From China
1) Excellent Ventilation Awning windows have great ventilation capabilities. They’re structural strength allows for larger window sizes and can provide an abundance of air and natural light. 2) Unobstructed Views Awning windows do not have any rails or bars, providing a spectacular, unobstructed view of the outdoors 3) Effortless Operation Our fold–down handles are easily turned and allow for smooth, easy opening and closing for the life of your window, without interfering with window treatments.
upvc-windows | Aluminum Glazed Window Surface Treament
Advantages of glazed window powder coating： (1) High efficiency and energy saving: Since the aluminium window powder coating is a one-time film formation, it can increase productivity by 30-40% and reduce energy consumption by about 30%. (2) Less pollution: french window no organic solvent volatilization (excluding harmful gases such as toluene and xylene in paint coatings) (3) Good coating film performance: The thickness of the film can be up to 50-80μm, and the comprehensive indexes such as adhesion and corrosion resistance are excellent. (4) Various colors, can make various colors according to customer requirements, and produce color difference