... corrosion 1.We can supply a variety of PVC profiles,plastic profile,extrusion profile.2.Top quality with high strength corrosion ... resistance, anti-aging performance, sound and heat insulation,strong wind resistance and fine tightness.3.Elegant appearance with the easy ... -operate,easy-to-clean4.We are ISO9001-2008, ROHS, SGS, and UL certified Plastic door and window profile