1.profiles:LG, CONCH,VEKA 2.characteristic:outward window 3.hardware:handle,friction hinge,transimission 4.color:white 1.features:two panels ,casement window,mullion,white2.profiles:LG of Korea,VEKA of Germany3.glass:single glazing(5,6,8,10,12mm),double/triple glazing,LOW-E glass,insulating glass(5+6+6,5+9+5)4.chambers:3,4,5,6,,excellent heat-insulating effect4.hardware:handles,friction hinge, ...