NEWS
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"!
Why the Door Closer Should Be Fitted in the Public
It is well known that ,no matter which fire department in our country or in global,there is a clear indicator of fire door’s inspection in the public.
How to Adjust the Intensity of Door Closer
Adjusting the intensity of the door closer device is adjusting the closing speed door closer.When the force is large,the closing speed is fast
Energy-saving of Doors and Windows Lies Not Only in Material Quality But in Technology
Many people may not know that doors and windows have become the weakest part in the energy-saving of constructions in China.
contact us
DAMS Incorporated
Completing the Building Envelope
