The house adopts the international standard incomparable steel system and HanYi patented technology M-type steel structure system, which can be filled with high efficient heat preservation material over 150MM thick, or the steel expansion net can be hung outside the skeleton and the heat preservation lightweight concrete core material can be poured solidly, and the external wall adopts the unique HanYi metal heat preservation and decorative one-piece board in the industry with double-glass bridge-breaking aluminum energy-saving doors and windows.

It is suitable for low energy consumption assembly building of middle and low floors, with energy saving of more than 80%.