LVDUN Customized security windows black vertical double glazed aluminum casement window Aluminum Awnings Window German Brand SIEGENIA

German Brand SIEGENIA

and flush window frame and sash for both exterior and interior

the product concept of "Ingenuity

then rub down the welding line

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LVDUN Customized security windows black vertical double glazed aluminum casement window Aluminum Awnings Window German Brand SIEGENIAProduct Description High quality imported hardware Adopting the original Germany hardware brand, all metal aluminium material, surface anti corrosion treatment,exquisite craftsmanship, it's secure and anti pry. Ultra high precision profile 6060 T66 ultra high precision aluminum profile and taking into account the strength, toughness, and corrosion resistance, it has excellent performance. EPDM co extrusion strip The use of the EPDM automotive grade