... ,excellent service 2,Good workmanship 3,good performance sliding window Materialaluminium profile,.thermal break profilesStyleAs order(casement,sliding,tilt& ... Siegenia, Kinlong)ScreenMetal and nylon material, Closely knit screen window for lessmaterial consumption.FeatureElegant style, space saving, open inward or ... .CertificatISO9001:2008More detailed information, please contact us sliding window