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  • about-us
  • about-us
  • about-us
  • about-us
  • about-us

About Us

  • Your Premium aluminum window Supplier

    Beijing North Tech Group Ltd, located at capital city Beijing, is glass and aluminum windows & doors manufacturer with a reputation for product innovation, technical competence and quality. Due to continued strong growth, we have increased stock levels, expanded its factories and production lines to ...

  • Why Us ?

    One-stop solution for all aluminium doors windows systems requirements.
    24/7 professional communicate.
    As an ISO 9001 certified company, strict quality control system, quality is life.
    With exported experience for 20+ years.
    Free design label and accept customized packaging.
    Fast delivery, Stable delivery time.
    Weekly status report for everything under your control.
    Support the latest market trend and news.

  • Product Includes

    Thermal Broken Aluminum Windows and Doors ,Aluminum Clad Wood Windows and Doors, Aluminium vinyl Hybrid windows and doors, Curtain Walls, Skylights, Railing Systems, Passive House and so on, BNG is supplying products to projects in United States, Canada, Europe for both residential homes and commercial ...

  • 24/7 professional communicate.24/7 professional communicate.

    24/7 professional communicate.

  • One-stop solution for all aluminium windows windows systems requirements.One-stop solution for all aluminium windows windows systems requirements.

    One-stop solution for all aluminium windows windows systems requirements.

  •  Fast delivery, Stable delivery time. Fast delivery, Stable delivery time.

    Fast delivery, Stable delivery time.



  • What is aluminum alloy thermal insulation doors and windows?

    Aluminum alloy thermal insulation windows are a type of windows that are designed to provide enhanced insulation properties, reducing heat transfer between the interior and exterior of a building. These windows are made using aluminum alloy frames, which are known for their durability and lightwe...

  • Here is a detailed description of the characteristics of aluminum alloy sliding windows:

    Aluminum alloy sliding windows, also known as aluminum sliding windows, are a popular choice for modern architectural designs due to their numerous desirable features.   Durability: Aluminum alloy sliding windows are highly durable and resistant to corrosion, rust, and weathering. They can w...

  • Aluminum alloy door and window hardware brands:

    SIEGENIA: High-quality and innovative solutions for aluminum alloy doors and windows. Focus on functionality, durability, and design. Wide range of products including hinges, handles, locks, and sliding systems. Emphasis on smooth operation and aesthetic appeal. Commitment to performance and long...

  • Advantages and disadvantages of casement windows and sliding windows

    Aluminum Casement Windows vs. Sliding Windows   Aluminum casement windows and sliding windows are two common types of windows, each with their own advantages and disadvantages. Here is a comparison of these window types:   Aluminum Casement Windows:   Advantages:   1.Good seal...

  • How to customize aluminum alloy windows and doors?

      Custom aluminum windows, sliding windows, and residential windows are all popular choices for homeowners looking to improve the energy efficiency and aesthetics of their homes. Custom aluminum windows are a great option for those who want windows that are both durable and low maintenance. ...


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