60AD Casement Window Series, 60AD Five-Cavity Inward-opening Casement Window Series；

Products have white and top coating, it is consistent with color demand for doors and windows in Europe, Africa and aboard market；

Doors and windows has excellent performance through excellent product design, application comfort of doors and windows are greatly improved；

Three-cavity Room Uf =1.7W/m2.K
Five-cavity Room Uf =1.6W/m2.K