Door fittings: light/dark hinge, fire prevention lock, fire glass, door closers, (optional);
Surface treatment: fire prevention lacquer processing
Products of wood heat insulation fire doors.
The refractory products in time for more than 4 hours, accord with GB14102-2005 standard requirement, the national fire protection construction material quality supervision inspection center identification, and its function are up to national standards, products sold throughout the country.