... .advantagesMovable, Prefabricated, Multilayer, Stable, Time-saving, Earthquake-proof, Wind-proof, Fire-proof, Water-proof, Easy to disassembly and assembly ... departmentWind resistanceGrade 10(wind speed≤111.5km/h)Earthquake resistanceGrade 7Live load capacity ... booth of Canton Fair in Guangzhou ******* good drainage system cheap prefab house &prefabricated house