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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 device that connects the leaf and frame so that the window can be opened and closed.
UPVC window and door systems profile configuration(2)
JG/T176-2007 Standard 4. Size of the inward casement door profile A. 20/12/9(13) Size of profile 20/12/9(13)
UPVC window and door systems profile configuration(1)
Instruction for profile’s size 1. (20=12+8) 12 is for the hinge space, 8 is the overlap amount of sash and frame.
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DAMS Incorporated
Completing the Building Envelope
