... and Water proof; Anti-aging and Easy maintainance. PVC ProfileChina brand, Conch, Kinben, Goody; Korean LG; German VEKASteelNational standard galvanized ... turn windows, awning windows, hopper wind. 2.Profile:Chinese top brand ,high quality. Frame,60 series. Sash,71,78,72, ... 3 /h. MWatertightness500 Pa 8.Hardware system: Domestic good brand with high quality. Imported hardware and customer’s stipulated ...