1,low-cost and environmental 2,easy in assembling and shipping 3, many-times re-cycling ... :1, Wind resistance: grade 11 (wind speed ≤111.5km/h)2, Earthquake resistance: grade 63, Live load capacity of roofing: 0 ... site, portable toilet and etc.Characteristics:1, Environment protective, no garbage caused2, Doors, windows, and interior partitions can be flexibly fixed3 ...