... 3 SGS,ISO Certificated Wall cladding panel-aluminum composite panelBrand Name Alumaster aluminum composite panelPanel size1)Standard size :1220mmx2440mmx3mm/4mm2) ... aluminum surface is tough, the core PE panel is flexible, therefore the panel has high impact resistance.5)The ... aluminum surface is tough, the core PE panel is flexible, therefore the panel has high impact resistance.Application scope1 ...