Prefabricated EPS Sandwich Wall Panel Steel Structure Workshop Detailed Photos Product Parameters our common houses standard is as below ,also we can supply the meterial according to customer's desires s teel structure workshop : A: light steel structure modular house with the color steel sandwich panel. B: wind load 100km/h and 7 grade earthquake. C: fire proof and heat insulation D :produce according to requirement of customer. E :The completely knock-down of the house