... in the whole world .sandwich panel ,mainly divided into two types ,EPS sandwich panel and rockwool sandwich panel .thickness of sheet :0.30 ... material thickness30mm,50mm,75mm,100mm,150mm and so on another type panel ,flat wall panel 1000,1200 type of installing overlap, ... as per ral card PAKCING The sandwich panel linecontainer packing :Besides sandwich panel, we also supply PPGI,GI,CORRUAGED STEEL ...