"Approaching Science" Light Steel Building 20190730

The main contents of this program: What kind of house can realize the assembly line operation, industrial production, and build a house quickly in 30 days? This is the light steel structure of the house. Light steel construction refers to the use of some small sections of steel as the load-bearing components of the house. In a narrow way, we call it the cold-formed thin-walled steel keel system. So is the safety of the house guaranteed?