Prefabricated steel structure warehouse with the color steel sandwich panel. Wind load 100kmh and 7 grade earthquake. Fire proof and heat insulation Produce according to requirement of customer. The completely knock-down of the house components can save more space of the container and make the cost of house lower. It is easy to assemble and disassemble for the light steel structure. The waterproof system on the roof makes the house a good sealing effect. The mineral wool acoustic ceiling, cement ceiling, partition and laminated flooring accessories are optional for customer.