Handmade Hollow Bolivian Magnesium Board Description:1. Both sides of the rock wool composite boards can adopt color coated panel, galvanized steel, stainless steel, and other specific purification materials. 2. Core material can be inorganic (magnesium plate glass, gypsum board), rock fiber, magnesium silicate cotton. 3. Surrounded by aluminum-frame or cold-drawn steel. 4. The panel is in correspondence with national fireproof standard, characterizing aesthetic looking, sound and thermal insulation, heat preservation, anti-earthquake, etcColor Steel Roof Tile Product Features:1. Unique design: It keeps the appearance of the traditional terracotta, embodies elegant classical and traditional beauty. We could process products with all kinds of colors.2. Light material and high intensity: The weight is only one-tenth of the traditional terracotta, but the intensity is ten times to the traditional terracotta, characterizing wind and weather resistance.3. Long service life: The shelf life of the tile can be over 30 years. The surface is processed by antisepsis and antirust coating which guarantees the long shelf life of the tile.4. Distinguished water resistance: Seamless connection of the sloping surface, interference of the whole roof tile, complete sealing fixed components enables the tile featured with waterproofing which the other construction roof materials have not.5. Short project time: The convenient and short project time enables staff to improve the construction efficiency and reduce the construction intensity, meanwhile the construction is not affected by weather and seasons.6. National patents: So far the product has awarded two kinds of utility model patent and two kinds of design patent by SIPO.