... China / Germany( Roto, Germany Siegenia, Kinlong)ScreenMetal and nylon material, Closely knit screen window for lessmaterial consumption.FeatureElegant style, space saving, open ... and reasonable structure, good water and air penetration.Packageplastic film, Carton, Wooden case, other packing methods as customers requirement.CertificatISO9001:2008 aluminium sliding door ...