Shengtai mgo roofing materials six features 1.High-strength, typhoon resistance 2.Fireproofing & heat insulation 3.Environmental, 100% asbestos free 4.Acid & alkali-resistant 5.Long life, 20 year of product life 6.Low comprehensive application costs New generation of substituted roofing materials of corrugated color steel roofing sheet Size: 0.97*3-7m.