sliding window pvc profiles: 1.Frame thickness:80mm 2.Reasonable construction 3. ... colour co-exstrusion,Wooden laminated etc.Size60 series sliding,60 series casement,80 series sliding,90 series sliding,103 series sliding,138 series sliding…..CertificatedISO9001:2008,ISO14001:2004,OHSAS18001Product features1)Excellent ...