... different design.Products Description:Aluminium Curtain wall in visibleAluminium Curtain wall in invisibleUnitized Spider system.1. ProfileAluminium alloy ... : 3mm,3.Type: visible/invisible curtain wall, unitized curtain wall, spider curtain wall4. Series: 110/120/130/ ... manufacturer for all kinds of aluminium windows, doors,curtain walls, partitions, shutters, railing , aluminium wood composite ...