Caigang sandwich board product is composed of two layer forming metal panel (panel) or other materials and directly in the middle of the panel foaming and curing molding of polymer insulation of inner core. The sandwich board product easy to install, lightweight and efficient. Filling system is also closed bubble molecular structure, can prevent condensation of water vapor.

Outer plate forming fully considering the structure and strength requirement, and to two or morethings and beautiful, the surface shape is flat to meet various needs.