FCA steel structure floor is a new type of load-bearing board developed and produced by Jiangxi Jianyuan. The product is a new type of building material made of natural fiber and cement as the main raw materials, through molding, cutting, pressurization and maintenance. It belongs to the new generation of green building materials and has excellent load-bearing capacity. Through the use of FCA thick plates, LOFT (loft) can meet personalized space utilization needs, increase the use area of ​​building space, shorten construction period, reduce construction waste, save resources, and reduce carbon emissions.