... Prefab house 1)good quality,low cost 2) fast delivery 3)keep warm,earthquake protection 4)design and install for you ... building,hotel ,villa,container, shop,office, workshop, warehouse and etc.3)Characteristics:, lower cost with high quantity, shockproof , fire protection, ... 111.5km/h)2) Earthquake resistance: Grade 73)Live load capacity of roofing: 0.5kn/m24)External and internal wall heat transmission ...