... Panel *APPLICATIONS1, Buildings outer-wall, curtain wall.2, Redecoration of old buildings outer-wall.3, Balconies, installation unitsm ... indoor partitions.4, Signboard.5, Inner-wall decorating panel, ceilings, advertisment signboard.6, Industrial usage ... 5, Good smoothingness, lightweight and rigid, beautiful and cheap..6, Various colors7, Simple machining equipments, processing in ...