... service 2,Good workmanship 3,good performance aluminium window and door Materialaluminium profile,.thermal break profilesStyleAs order(casement,sliding, ... Germany( Roto, Germany Siegenia, Kinlong)ScreenMetal and nylon material, Closely knit screen window for lessmaterial consumption.FeatureElegant style, space saving, ... 2008More detailed information, please contact us aluminium window and door