Three-chamber structure is a perfect combination of energy saving and heat insulation. We can provide different material profiles (stainless steel, copper, etc.) to give the maximum support to users' demands.
The higher safety requirements in a building increasingly require the functional interaction of various fire protection requirements.
Frame Material Cold formed steel is neither flammable nor does it suffer any significant loss of its inherent stability in the event of a fire. For this reason, it is predestined for use as a material in the fabrication of fire doors and glazing.