Which color plate sandwich board price is low and good insulation
If you are building a house, Henan Tianfeng Group has a new energy-saving sheet, called polyurethane, is the kind of material used in the refrigerator, it can be said that the best insulation, and hope to help you.
Polyurethane sandwich panel comprehensive performance is better. fair price. Tianfeng good
The price is low polystyrene board, good insulation will use polyurethane
