... including frame curtain wall, hidden frame curtain wall,clamp glass curtain wall, metal panel curtain wall Specifications1.top-grade ... service Product Range : Aluminium Curtain wall in visible,Aluminium Curtain wall in invisibleSurface treatment : Anodizing,electrophoresis ... color.Type : visible curtain wall,invisible curtain wall,unitized curtain wall,spider curtain wall.Series : 110/120/130 ...