Sound proof windows and soundproof city windows from Chinese window manufacturers for sale.

Brief Description:

North Tech specialty shape windows let you choose from a variety of uncommon shapes, including elegant arches, striking angles and compelling curves. Used alone or in combination with other windows, they add curb appeal and enhance the character of your home.

A specialty window can add dimension and a customized look to your home, whether it be a custom shape, type of glass, or trim.

Specialty windows are great to highlight a particular design feature or architectural attribute of a home.  While standard windows are often thought of as rectangular or square, combining a standard shape with a specialty shape can provide a unique look.

Technical Specs



• Technoform 54mm special-shaped thermal insulation strip

• 6+16Ar+5+16Ar+6 triple glazed low-E insulated glass


• Rounded window corner to prevent injuries

• Ultra-high precision aluminum alloy 6060-T66 with thickness 1.6mm

• Various screen materials

• Pressure extrusion for higher strength level

• Multi-point hardware lock system for weather sealing and burglar-proofing

• Nylon, steel mesh available

• Flat and simple

• Hurricane resistance solution

• Curving and oversize available

• Custom design available

RAL color, custom made for powder coating. Natural silver anodized, PVDF painting, wood style color

•  Triple-glazed insulating glass can effectively reduce heat loss, maintain a suitable temperature inside and outside, and have better thermal insulation and sound insulation effects.

•  The use of Technoform 44mm special-shaped heat insulation strips can effectively block the conduction of heat on the profiles, so as to achieve high-quality heat insulation performance.

•  The cavity is filled with special thermal insulation closed-cell sponge, which can effectively block the transmission of sound and heat, and the air tightness and mute effect is much higher than that of ordinary doors and windows.

•  Hidden drainage design, smooth and unobstructed drainage function, greatly improving watertight performance.

• German Hoppe hardware

• German SIEGENIA hardware

• German ROTO hardware

• German GEZE hardware

• China top SMOO Hardware

• China top KINLONG hardware

• Self-owned brand NORTH TECH

Product Detail

Product Tags

North Tech aluminum tilt and turn window, is German technique thermal break window systems. It can be come with grill or insect mesh. Adopts EPDM automotive-grade sealing stripe.

Imported hardware Hoppe or Siegenia handle, hidden hinges, multi-point locking system and powder coating finish & anti-corrosion treatment.

A tilt and turn window can both tilt inwards at the top, like a hopper window, or open inwards from hinges at the side. The tilt position provides draft-free ventilation and rain protection. In the turn position, tilt & turn windows act as casement windows, swinging their full glass area open. Tilting function enables great air circulation into your home

Versatile design, ideal for small spaces, air-sealed for insulation and unobstructed view

North Tech’s windows and doors pass North American NFRC, NAFS, CSA certifications, getting renewal every year. We are confident to provide you high quality window and doors with savings.

Welcome to consult us.

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Q:What is your main product?
A:We can supply the window system (including profile, hardware, accessories, glass) as well as the finished products ready for installation.
Q:How can I know your price?
A:The price is based on buyer’s specific requirement, so please provide below i nformation to help us quote exact price to you.
1) Shop drawing / window schedule to show the window dimensions, quantity and type;
2) Frame color;
3) Type of glass and thickness (single or double or laminated or others) and color (clear, tinted, reflective, Low-E or others, with Argon or without).
Q:What is the standard size of your windows and doors?
A:Our product is CUSTOM MADE. We always manufacture windows and doors according to buyer’s dimensions.
Q:What is your delivery time?
A: 2 to 4 weeks after deposit and drawing confirmed
Q:What is your standard color for aluminum frames?
A: RAL color, custom made for powder coating. Natural silver anodized, PVDF painting, wood style color
Q:What is your payment terms?
A:Normally, 30% – 50% of total amount by T/T as deposit and balance before delivery. Irrevocable UC at sight is also acceptable.
Q:Will we need to install the glass (onsite glazed) or do your windows come with the glass installed?
A:We will install glass at factory based on windows/doors dimension to make sure they can be safe during transportation and if easy for our buyer to install the whole windows/doors. Onsite glazed are recommended for big sized products.
Q:What is your warranty ? What do we do in case of problems?
A:10 years quality warranty is provided, including frame unfading nor peel-off, hardware and accessories working properly under correct operation. 10 years warranty for German hardware. In case of our quality problem, we will provide replacement by international courier. Immediate delivery of replacement parts with available in stock, and if not stocking, the time should be depending on material ordering time which is normally 10-15 days.
Q:What kind of service will you provide?
A:We are able to provide the engineering as well as supervising service to guide installation our windows and doors.
Q:Are your products Certificated?
A:Yes, our products meet AAMA.NFRC.CE and Australian standard for now and also we will make our product tested and certificated if you required
Q:ls there price difference between powder coating and anodizing ?
A: Yes. Please consult our sales agent.
Q:What is spectrally selective glazing?
A:Coated or tinted glazing with optical properties that is transparent to some wavelengths of energy and reflective to others.Typical spectrally selective coatings are transparent to visible light and reflect short-wave and long-wave infrared radiation.

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