News

  • Double-Hung Window

    Double-Hung Window

    Double-hung windows have two movable sashes that can be moved up and down, allowing ventilation at both the top and bottom. If you open both sides of a double-hung window sash halfway, it allows twice as much airflow as a single-hung window. The opening above the upper sash allows hot, unfresh ai...
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  • When a single-hung window is opened, the lower sash partially obscures the upper sash

    When a single-hung window is opened, the lower sash partially obscures the upper sash.The bottom sash of a single-hung window can move vertically because the upper sash remains stationary.
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  • UPVC Windows

    Due to the low cost of raw materials and ease of processing,UPVC(Vinyl) are increasingly being used in window and door materials.The uPVC frame windows and doors are usually cheaper than those made of aluminum or wood.However,the uPVC is not as strong as aluminum or steel, so the frames of uPVC d...
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  • Our products have been ready for shipment

    Our products have been ready for shipment

    Aluminum Windows From China Good sealing performance The sealing performance of aluminum doors and windows is significantly better than that of steel, wood doors and windows, mainly because of its high processing precision and extremely tight assembly. Durable and maintenance-free Aluminum w...
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  • Qingming Festival is a traditional Chinese festival observed by the Han Chinese of mainland China.

    Qingming Festival is a traditional Chinese festival observed by the Han Chinese of mainland China.During Qingming, families visit the tombs of their ancestors to clean the gravesites, pray to their ancestors and make ritual offerings.
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  • Looking out of the window, we can see the flowers of magnolia

    Looking out of the window, we can see the flowers of magnolia

    Looking out of the window, we can see the flowers of magnolia.Yulan is native to central and eastern China. It has been often cultivates in the buddhist temple gardens in China since 600 AD. It was also planted in the courtyards or or the open fields within the Emperor’s palaces. Its flowers are...
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  • A rare spring snow falls on Beijing

    A rare spring snow falls on Beijing

    A rare spring snow falls on Beijing and we were not waiting to get out and have a look. This is the heaviest snowfall during spring. The temperature is -3 but feels like -10 and it is very cold but extremely beautiful. Hot pot goes best on a snowy day, we had hotpot together as team activity.
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  • Factory routine training

    Factory routine training

    On schedule, we do routine training in our factory. As trainees, we were so excited to take this part. During this training we knew how it works. Picture 1 is about how to operate the “giant” window Picture 2 is about how to maintain window Picture 3 is about how to make a real window
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  • The IBS Show 2022 Brought To A Successful Close, Thanks For Your Visiting

    The IBS Show 2022 Brought To A Successful Close, Thanks For Your Visiting

    Beijing North Tech Group participated in the IBS show 2022 building show not long ago, this was the largest annual gathering place for the entire construction glass, aluminum windows and doors industries in the U.S. held in Florida Orlando on 8th-10th Feb 2022. Its wide product range, high qualit...
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  • How secure are modern aluminium windows?

    How secure are modern aluminium windows?

    Aluminium windows look super sleek. They’re also a great way to modernise any style of property. But just how tough are they when it comes to home security? Let’s find out… Are aluminium windows safe and secure? From a security aspect, aluminium windows are up there with the best-rated windows on...
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  • How A Texas Passive House Survived the 2021 Deep Freeze

    How A Texas Passive House Survived the 2021 Deep Freeze

    For about seven years, Trey Farmer and his wife Adrienne Lee Farmer lived in a ca. 1914 Craftsman-style bungalow a few miles west of downtown Austin. With a new baby in their lives, they decided they were ready to turn their drafty home with no subfloor or insulation into something that would be ...
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  • What is a thermal break and how does it work in Metal Windows and Doors?

    What is a thermal break and how does it work in Metal Windows and Doors?

    A thermal break (or thermal barrier) is a material of low thermal conductivity placed in an assembly to reduce or prevent the flow of thermal energy between conductive materials. When it comes to metal framed windows and doors a thermal break is essentially a thermal barrier in the conductive met...
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