1. The door frame is bent and formed in one time, with good overall rigidity, high strength and difficulty in deformation;

2. There are no exposed welding spots on the surface of the door leaf, and the edges are rounded, which is beautiful and user-friendly;

3. The door leaf is filled with green and environmentally friendly fireproof materials, which are free of volatiles and are not harmful to the human body and the environment;

4. Usage occasions: fire escape routes, pipe wells, equipment rooms, etc.

Hardware features:

1. Various hardware configuration plans for European Standard Hardware, American Standard Hardware, and GB Hardware to meet different usage occasions and functional needs;

2. According to design and use requirements, fire-proof glass windows can be selected.