1)good quality,low cost 2) fast delivery 3)keep warm,earthquake protection 4)design and install for you well-designed prefabricated house1)good quality,low cost 2) fast delivery 3)keep warm,earthquake protection 4)design and install for you Prefabricated houseTechnical Parameter of standard prefab housing:1) Wind resistance: Grade 11(wind speed≤111.5km/h)2) Earthquake resistance: Grade 83)Live ...