a.Door and door designs. b.Sound and heat insulation. c.Good air and water proof. PVC ProfileChinese Top Trademark--Zhongcai, The Mix Tropical Profile, High Anti UV, The Wall Thickness is 2.50 mm and as your requestSteelGalvanized steel 1.0mm,1.2mm,1.5mm,2.0mmProduct styleEuropean Casement series,European Sliding series,American Standard series and customizedProduct Featurea.Energy saving and ...