1.light colorsteel sandwich panel 2.good insulation 3.size:6055*2435mm 4.science and technology 5.2bedroom,1toilet ∴Material:1.all special material optional.plumbing, electricity system, bathroom, Kitchen, home appliance, and furniture wool .2.insulative, different thickness can be chosed.3.light color steel sandwich panel,such as EPS,PU,rock4.special design of the roof leak,effectively prevent ...