The house adopts HanYi's unique HY-C steel filling energy-saving three-insulation system, with the main structure adopting the steel skeleton of C-type steel series, filled with high-efficiency heat preservation and insulation materials, plus 50MM-100MM-thick high-efficiency external heat preservation materials as well as HanYi metal heat preservation and decorative one-piece panels unique in the industry, and matched with double-glazed bridge-breaking aluminum energy-saving doors and windows.

It is suitable for low-rise and low-energy consumption assembly building, with energy saving of more than 75%.