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"!
Smart lock series is the advance product of our company, it is a safe , reliable, energy-efficient, advanced and easily controlled lock series.
Company profile 3H Inc., a professional aluminum and UPVC windows and door accessories company was established in 1981
Selection and installation of fiction stay
The selection of fiction stay depends on the window weight and size. Required bearing load of fiction stay= the weight of sash(glass weight + profile weight)* safety factor.
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DAMS Incorporated
Completing the Building Envelope