Series: sliding window/ door, casement window/ door, thwemal-break and energy saving window/ door Series:sliding window/ door, casement window/ door, thwemal-break and energy saving window/ doorFinish ... coating fluorocarbon sparay-painting, wood grain coating.Glass: single glass, double layer glass, low-e glassMaterial: 6063-t5, 6061-t5 aluminium partition door