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!

We Have The Best Solutions for Your Business

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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What users say about Del Building

The profile is thick, the waterproof is in place, the sound insulation effect is obvious when the doors and windows are closed, the service is very thoughtful, and the price is very high.

Bob

The quality is good, the aluminum doors and windows are durable and durable, very easy to use, and the appearance is still magnificent!

yoyo

The details are perfect, and overall it's really good. Very cost-effective, will continue to patronize next time!

liza

Do you have any questions?

What are the advantages of UPVC doors

Anti-corrosion, acid, alkali, salt, etc., no corrosion, mildew, and no insects in damp, salt spray, acid rain. The shape and size are stable, not loose or deformed. Excellent air tightness and water tightness.

What should I pay attention to when installing UPVC doors and windows?

The fixing piece should be installed carefully, the plastic door and window and the hole should be fixed correctly, the filling material between the plastic door and window and the wall should be cautious, and the plastic door and window mask should be peeled off at a suitable time.

What is the material of UPVC door?

It is composed of amorphous thermoplastic resin made by polymerization of vinyl chloride monomer and certain additives (such as stabilizers, lubricants, fillers, etc.)

Our updates and blog posts

26 Aug

upvc-doors | 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.

26 Aug

upvc-doors | Winding Chain Windproof Awning Window Manufacturers & Suppliers From China

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.

26 Aug

upvc-doors | Aluminum Glazed Window Surface Treament

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%.

Do you have any question? Don't hesitate to contact us!