1,Thickness:2.0/2.2/2.5/2.8mm 2,Accept ODM/OEM 3,BV Authentication 4,GB/T8814-2004 5,16 years manufacture experience Lanke UPVC Profile Material For Window And Doors Product NameLanke UPVC Profile Material For Window And Doors Production processExtrusion usedBuilding window and doorsStandardISO9001-2000 International Quality System CertificationGB/T8814-2004 CCGF302.1 -2010China High Quality Name ...