Sandwich board is used to do what ah ??
Should be "sandwich board" was right.
Sandwich panel products are composed of two layers of metal panels (or other material panels) and directly in the middle of the panel foam, mature molding of the composition of the polymer core insulation.
These sandwich panels are easy to install, lightweight and efficient. Filling system is also used to close the molecular structure, you can put an end to the condensation of water vapor.
The forming of the outer steel sheet takes into account the structural and strength requirements, and takes into account the appearance, the inner layer is formed into a flat plate to suit various needs.
Sandwich panels for large industrial plants, warehouses, gymnasiums, supermarkets, hospitals, cold storage, activities, building plus layer, clean workshop and the need to heat insulation fire places.
