4. Refractory: The color steel plate treated by special coating is kept for 10-15 years, and then the anti-corrosion coating is sprayed every 10 years. The life of the plate is over 35 years.

5. Beautiful appearance: the clear lines of the profiled steel plate up to dozens of colors, can match the needs of any style of building.

6. Thermal insulation: commonly used insulation materials are: rock wool, fiberglass cotton, polystyrene, polyurethane, etc.,low thermal conductivity, with good thermal insulation effect.

7. Environmental protection and noise: composite board sound insulation strength of up to 40-50 decibels, is a very effective sound insulation material.