Polyurethane (PU) sandwich panel, which is made of top-quality color-coated steel sheet. The inner and outer sheet is molded in roll forming machine, and the polyurethane foam is injecred and solidified and joined in the inner part between the inner and outer sheets under high pressure. It has perfect properties of heat and sound insulation, fireproof, fast-installation, high-strength, etc. This kind of constructure material have been widely used for roofs, walls and doors in the areas of large scale workshop, warehouse, super-market, office building, stadium, waiting room.

Beihai PU super-cleaning panel, using high-class self-cleaning type steel sheet, decrease the deposit of roof dust, to keep the surface of roofcleaning. The external steel sheet shaped in three waves, it increases load capacity of roof panel, and reduces the quantity of supporting beams. It has the properties as fast installation, tight connection, airtight, and waterproof that prevents the rain leaking.

We, China Beihai now have below five items:
1)Polyurethane sandwich roofing panel. (polyurethane foam core between two metal layers)
2)Polyurethane sandwich wall panel
3)Polyurethane sandwich wall panel (Embossing)
4)EPS Sandwich panel (Polystyrene core between two metal layers)
5)Rock wool sandwich panel (Rock wool core between two metal layers)