There has a nice building in Goyang, Korea. The building covers white aluminium pipe fences outside which looks like wave.
Aluminium profile is one of nonferrous metal which has wide application.
Windows and Doors are the indispensable part of building.
China blows the aluminium profile wave since 1991 and the amount of Chinese extrued aluminium profile company has also increased.
Aluminium side-hung windows are model if you are looking for a durable window solution.