grey board paper

grey board paper We are a company that has been engaged in manufacturing fireproof board professionally for over 10 years. Our products could be widely used in the construction in ceiling, roofing, partitions, fireproof doors, and ships. There are so many advantages of the products, including fireproof, sound insulation, thermal insulation, moisture-resistance, bump-resistance and light. It is really a good substitute material of plywood and some other traditional construction materials. The raw materials are magnesium oxide and magnesium chlorine. We have passed the ISO9001 quality system authentication. We could also supply the competitive price on the basis of excellent quality