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3H Inc. will continue to whole-heartedly serve the field of building doors and windows, with the eternal pursuit of "win-win cooperation and harmonious development"!3H Inc. will continue to whole-heartedly serve the field of building doors and windows, with the eternal pursuit of "win-win cooperation and harmonious development"!

  • The Knowledge Of Building Hardware

    Aluminium door accessories and aluminium window accessories.A generic term for various metal and non-metal fittings installed on the doors and windows of buildings. There are building door locks, handles, supports, hinges, door closers, handles, latches, window hooks, anti-theft chains, induction opening and closing door devices, etc.

  • How To Reduce The Noise Through Adjusting The Window?

    In the face of an external noisy environment, the double-layer windows are not sound-proof, how the noise can be reduced? If you want to protect your normal daily life, you must defeat the noise. There are many ways to solve the unnecessary noise.

  • How To Ajdust The UPVC Window Handle?

    Many people choose the UPVC profile to match their door and window, thus, the hardware accessories which is matched with the UPVC window and door are very popular.But do you know how do we to adjust the UPVC window handle?

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