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... joiners since 1733!
... 1963 - commencement of serial
production of windows and doors!
... produced in two plants with
roofed-over production area of 50.000m2!
... 500.000 windows and 250.000
doors currently produced per year!
... manufactures its own patented,
solid Vinyl, aluminium clad profiles!
... continuous quality inspection
by its own quality control and independent institutes!
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