3. Anti Fire &Freeze Advanced technology and equipment, precise cutting, strict calibrated to ensure the product quality and size stability. The terracotta panel has good security anti fire characteristics, anti acid and alkali corrosion resistant, anti scratch and abrasion. Even face supernormal low or high temperatures, it could keep stable. 4. Rain Self-cleaning Clay materials content metal very low, do not produce electrostatic, not easy to absorb dust, dirt not easy deposition, via wind and rain could self cleaning. 5. Simple Natural The terracotta panel colors is rich, covers the modern architecture mainstream color design