aluminum door 1)gas tightness, water tightness and security 2)high quanlity,easy install and good service 3)good price aluminum door1)Profile:aluminium alloy ,function: resistance to wind load2)Surface treatment:surface powder coating,oxidation,cataphoresis3)Glass:all types of glass availabled:single,double,triple glazing; full selection of glass types impact resistant glass,tempered,frost,and ...